Unusual

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Viewmode unusual.png
Backpack Napper's Respite.png

Unusual Napper's Respite
Level 73 Hat
★ Unusual Effect: Circling Heart
After a long day of burning scouts.

There is nothing unusual about this man's head!
The Soldier on Unusual hats

Unusual quality is an item quality used on cosmetic items, taunts, and weapons. Unusual items have special attached particle effects, and are considered to be some of the rarest items in Team Fortress 2. There are currently 740 cosmetic items that can have one of 86 total effects, 56 taunts that can have one of 15 total effects, and 10 weapons that can have one of 4 effects. The only methods of obtaining an Unusual item are by unlocking a Mann Co. Supply Crate with a Mann Co. Supply Crate Key (at an about one in one hundred, or 1.00%, chance of unboxing[1]), purchasing one on the Steam Community Market, getting a Taunt Unusualifier as a bonus for unboxing a case, or via trading.

Unlike regular items which can only be obtained from specific crates, any item obtainable in Unusual quality can be unboxed from any given crate, however the particle effects obtained depends on the series of crate the unusual item was obtained from. So, to unbox a cosmetic item with a "Series One" effect, a "Series One" crate must be opened, and so forth.

The hexadecimal color code for Unusual items is #8650AC.

Other Unusual Items

Two special items of Unusual quality were introduced with the Scream Fortress Update: the Haunted Metal Scrap, and the Horseless Headless Horsemann's Headtaker. However, unlike regular Unusual items, the Unusual Metal Scrap is dropped for any player who has taken part in defeating the Horseless Headless Horsemann with a melee weapon, while the Headtaker can be obtained by crafting it from a blueprint that includes the Unusual Metal Scrap. Besides bearing the Unusual quality, the Horseless Headless Horsemann's Headtaker is statistically identical to the Eyelander. In addition, neither of these items has an attached particle effect. Due to these characteristics, these two Unusual items are not considered as valuable as regular Unusual items.

Unusual Effects

See also: Particle effects

Standard Series

Standard Unusual effects can be found in specific crate series.

Gen 1

The first generation of standard Unusual effects was added in the Mann-Conomy Update. They can be obtained in crates Series #1 onward.

Series 1 Unusual effects
Cosmetic effects
Unusual Green Confetti.png
Unusual Purple Confetti.png
Unusual Haunted Ghosts.png
Unusual Green Energy.png
Unusual Purple Energy.png
Unusual Circling TF Logo.png
Green Confetti Purple Confetti Haunted Ghosts Green Energy Purple Energy Circling TF Logo
Unusual Massed Flies.png
Unusual Burning Flames.png
Unusual Scorching Flames.png
Unusual Searing Plasma.png
Unusual Vivid Plasma.png
Unusual Sunbeams.png
Massed Flies Burning Flames Scorching Flames Searing Plasma Vivid Plasma Sunbeams
Unusual Circling Peace Sign.png
Unusual Circling Heart.png
Circling Peace Sign Circling Heart


Gen 2

The second generation of standard Unusual effects was added in the August 18, 2011 Patch. They can be obtained in crates Series #26 onward.

Series 2 Unusual effects
Cosmetic effects
Unusual Stormy Storm.png
Unusual Blizzardy Storm.png
Unusual Nuts n' Bolts.png
Unusual Orbiting Planets.png
Unusual Orbiting Fire.png
Unusual Bubbling.png
Stormy Storm Blizzardy Storm Nuts n' Bolts Orbiting Planets Orbiting Fire Bubbling
Unusual Smoking.png
Unusual Steaming.png
Smoking Steaming


Gen 3

The third and current generation of standard Unusual effects was added in the June 19, 2013 Patch. They can be obtained in crates and cases Series #59 onward.

Series 3 Unusual effects
Cosmetic effects
Unusual Kill-a-Watt.png
Unusual Terror-Watt.png
Unusual Cloud 9.png
Unusual Aces High RED.png
Unusual Aces High BLU.png
Unusual Dead Presidents.png
Kill-a-Watt Terror-Watt Cloud 9 RED BLU Dead Presidents
Aces High
Unusual Miami Nights.png
Unusual Disco Beat Down.png
Miami Nights Disco Beat Down


Community Sparkle

An exclusive Unusual effect was added in the First Community Contribution Update. It is automatically applied to Community and Self-Made items.

Scream Fortress Series

Scream Fortress Unusual effects can be found in specific Scream Fortress crates. During Scream Fortress events, they're available in all other crate series.

Very Scary Halloween Special

The first Scream Fortress generation of Unusual Effects was added in the Very Scary Halloween Special. They could be obtained in any crate during the event.

Spectral Halloween Special

The second Scream Fortress generation of Unusual Effects was added in the Spectral Halloween Special. They could be obtained in any crate during the event.

Scream Fortress V

The third Scream Fortress generation of Unusual effects was added in the Scream Fortress V update. They could be obtained in any crate during the event.

Scream Fortress VI

The fourth Scream Fortress generation of Unusual effects was added in the Scream Fortress VI update. They could be obtained in any crate during the event.

Scream Fortress VII

The fifth Scream Fortress generation of Unusual effects was added in the Scream Fortress VII update. They could only be obtained by opening a Gargoyle Case during the event. They can still be obtained by opening a Gargoyle Case.

Scream Fortress VIII

The sixth Scream Fortress generation of Unusual effects was added in the Scream Fortress VIII update. They could be obtained in any crate during the event. They can still be obtained by opening a Creepy Crawly Case.

Scream Fortress X

The seventh Scream Fortress generation of Unusual effects was added in the Scream Fortress X update. They could be obtained in any crate during the event. They can still be obtained by opening a Violet Vermin Case.

Scream Fortress XI

The eighth Scream Fortress generation of Unusual effects was added in the Scream Fortress XI update. They could be obtained in any crate during the event. They can still be obtained by opening a Spooky Spoils Case.

Smissmas Series

Smissmas Unusual effects can be found in specific Smissmas crates. During Smissmas events, they're available in all other crate series.

Smissmas 2019

The first and current Smissmas generation of Unusual effects was added in the Smissmas 2019 update. Currently, they can be obtained in any crate.

Robotic Boogaloo

An exclusive generation of Unusual effects was added in the Robotic Boogaloo update. They could be obtained in any crate during the event. They can still be obtained by opening a Robo Community Crate.

Love & War Update

An exclusive generation of Unusual effects was added in the Love & War Update. They can be obtained through Taunt Unusualifiers.

End of the Line Update

An exclusive generation of Unusual effects was added in the End of the Line Update. They could be obtained in any crate during the event. They can still be obtained by opening an End of the Line Community Crate.

Gun Mettle Update

An exclusive generation of Unusual effects was added in the Gun Mettle Update. They can be obtained through Decorated cases.

With the introduction of the Jungle Inferno Update, the Energy Orb effect has been removed from the Unusual effect pool due to issues with it disappearing and/or not fitting some weapons properly. Only the three remaining effects can be obtained now.

Invasion Community Update

An exclusive generation of Unusual effects was added in the Invasion Community Update. They could be obtained in any crate during the event. They can still be obtained by opening a Confidential Collection Case or a Quarantined Collection Case.

List of Unusual Items

Possible Unusual quality items
Primary Night Terror Scattergun Current Event Scattergun Killer Bee Scattergun Corsair Scattergun Blue Mew Scattergun Shot to Hell Scattergun Flower Power Scattergun
Night Terror Scattergun Current Event Scattergun Killer Bee Scattergun Corsair Scattergun Blue Mew Scattergun Shot to Hell Scattergun Flower Power Scattergun
Secondary Red Rock Roscoe Pistol Black Dahlia Pistol Sandstone Special Pistol Blitzkrieg Pistol Blue Mew Pistol Shot to Hell Pistol Brain Candy Pistol
Red Rock Roscoe Pistol Black Dahlia Pistol Sandstone Special Pistol Blitzkrieg Pistol Blue Mew Pistol Shot to Hell Pistol Brain Candy Pistol
Cosmetic Batter's Helmet Baseball Bill's Sports Shine Bonk Helm Ye Olde Baker Boy Troublemaker's Tossle Cap Whoopee Cap Milkman Bombing Run
Batter's Helmet Baseball Bill's Sports Shine Bonk Helm Ye Olde Baker Boy Troublemaker's Tossle Cap Whoopee Cap Milkman Bombing Run
Flipped Trilby Bonk Boy El Jefe Backwards Ballcap Hermes Big Elfin Deal Front Runner Fed-Fightin' Fedora
Flipped Trilby Bonk Boy El Jefe Backwards Ballcap Hermes Big Elfin Deal Front Runner Fed-Fightin' Fedora
Bonk Leadwear Ye Oiled Baker Boy Greased Lightning Runner's Warm-Up Scout Shako Frickin' Sweet Ninja Hood Pomade Prince Thirst Blood
Bonk Leadwear Ye Oiled Baker Boy Greased Lightning Runner's Warm-Up Scout Shako Frickin' Sweet Ninja Hood Pomade Prince Thirst Blood
Mountebank's Masque Fortunate Son B'aaarrgh-n-Bicorne Death Racer's Helmet Airdog Herald's Helm Pestering Jester Wing Mann
Mountebank's Masque Fortunate Son B'aaarrgh-n-Bicorne Death Racer's Helmet Airdog Herald's Helm Pestering Jester Wing Mann
Lightning Lid Trucker's Topper Antarctic Eyewear Punk's Pomp Hephaistos' Handcraft Millennial Mercenary Bottle Cap California Cap
Lightning Lid Trucker's Topper Antarctic Eyewear Punk's Pomp Hephaistos' Handcraft Millennial Mercenary Bottle Cap California Cap
Fried Batter Boston Brain Bucket Throttlehead Brimmed Bootlegger
Fried Batter Boston Brain Bucket Throttlehead Brimmed Bootlegger
Taunt Deep Fried Desire Battin' A Thousand Boston Breakdance Carlton Bunnyhopper Runner's Rhythm Trackman's Touchdown Scooty Scoot
Deep Fried Desire Battin' a Thousand Boston Breakdance Carlton Bunnyhopper Runner's Rhythm Trackman's Touchdown Scooty Scoot
Boston Boarder Spin-to-Win Homerunner's Hobby Killer Signature
Boston Boarder Spin-to-Win Homerunner's Hobby Killer Signature
Primary Aqua Marine Rocket Launcher Brain Candy Rocket Launcher Blue Mew Rocket Launcher Woodland Warrior Rocket Launcher Shell Shocker Rocket Launcher Sand Cannon Rocket Launcher Warhawk Rocket Launcher
Aqua Marine Rocket Launcher Brain Candy Rocket Launcher Blue Mew Rocket Launcher Woodland Warrior Rocket Launcher Shell Shocker Rocket Launcher Sand Cannon Rocket Launcher Warhawk Rocket Launcher
Secondary Backwoods Boomstick Shotgun Flower Power Shotgun Lightning Rod Shotgun Red Bear Shotgun
Backwoods Boomstick Shotgun Flower Power Shotgun Lightning Rod Shotgun Red Bear Shotgun
Cosmetic Soldier's Stash Tyrant's Helm Stainless Pot Killer's Kabuto Sergeant's Drill Hat Grenadier's Softcap Chieftain's Challenge Stout Shako
Soldier's Stash Tyrant's Helm Stainless Pot Killer's Kabuto Sergeant's Drill Hat Grenadier's Softcap Chieftain's Challenge Stout Shako
Defiant Spartan Exquisite Rack Honcho's Headgear Brain Bucket Team Captain Furious Fukaamigasa Armored Authority Jumper's Jeepcap
Defiant Spartan Exquisite Rack Honcho's Headgear Brain Bucket Team Captain Furious Fukaamigasa Armored Authority Jumper's Jeepcap
Lord Cockswain's Pith Helmet Hat With No Name Lucky Shot Conquistador Helmet Without a Home Soldier's Slope Scopers War Pig Tyrantium Helmet
Lord Cockswain's Pith Helmet Hat With No Name Lucky Shot Conquistador Helmet Without a Home Soldier's Slope Scopers War Pig Tyrantium Helmet
Full Metal Drill Hat Steel Shako Cloud Crasher Powdered Practitioner Infernal Impaler Valley Forge Caribbean Conqueror Whirly Warrior
Full Metal Drill Hat Steel Shako Cloud Crasher Powdered Practitioner Infernal Impaler Valley Forge Caribbean Conqueror Whirly Warrior
Rebel Rouser Slo-Poke Toy Soldier Ground Control Gilded Guard Spook Specs Coldfront Curbstompers Condor Cap
Rebel Rouser Slo-Poke Toy Soldier Ground Control Gilded Guard Spook Specs Coldfront Curbstompers Condor Cap
Screamin' Eagle Skullcap Hellmet Pestering Jester Crit Cloak Shellmet Nuke War Eagle
Screamin' Eagle Skullcap Hellmet Pestering Jester Crit Cloak Shellmet Nuke War Eagle
Brass Bucket Head Hedge Sky High Fly Guy Tank Top Vampire Vanquisher Climbing Commander Crack Pot Dumb Bell
Brass Bucket Head Hedge Sky High Fly Guy Tank Top Vampire Vanquisher Climbing Commander Crack Pot Dumb Bell
Bobby Bonnet Dancing Doe Peacebreaker El Zapateador Racc Mann Bazaar Bauble Breach and Bomb Hawk Warrior
Bobby Bonnet Dancing Doe Peacebreaker El Zapateador Racc Mann Bazaar Bauble Breach and Bomb Hawk Warrior
Sophisticated Smoker Roaming Roman Calamitous Cauldron Semi-Tame Trapper's Hat Thousand-Yard Stare Panisher Elf Defense Bulb Bonnet
Sophisticated Smoker Roaming Roman Calamitous Cauldron Semi-Tame Trapper's Hat Thousand-Yard Stare Panisher Elf Defense Bulb Bonnet
Cranial Cowl Detective Firearm Protector Close Quarters Cover
Cranial Cowl Detective Firearm Protector Close Quarters Cover
Taunt Fresh Brewed Victory Soldier's Requiem Fubar Fanfare Panzer Pants Rocket Jockey Profane Puppeteer Star-Spangled Strategy Neck Snap
Fresh Brewed Victory Soldier's Requiem Fubar Fanfare Panzer Pants Rocket Jockey Profane Puppeteer Star-Spangled Strategy Neck Snap
Primary Forest Fire Flame Thrower Turbine Torcher Flame Thrower Flash Fryer Flame Thrower Warhawk Flame Thrower Balloonicorn Flame Thrower Rainbow Flame Thrower
Forest Fire Flame Thrower Turbine Torcher Flame Thrower Flash Fryer Flame Thrower Warhawk Flame Thrower Balloonicorn Flame Thrower Rainbow Flame Thrower
Secondary Backwoods Boomstick Shotgun Lightning Rod Shotgun Red Bear Shotgun Flower Power Shotgun
Backwoods Boomstick Shotgun Lightning Rod Shotgun Red Bear Shotgun Flower Power Shotgun
Cosmetic Pyro's Beanie Brigade Helm Respectless Rubber Glove Triboniophorus Tyrannus Vintage Merryweather Attendant Old Guadalajara Napper's Respite
Pyro's Beanie Brigade Helm Respectless Rubber Glove Triboniophorus Tyrannus Vintage Merryweather Attendant Old Guadalajara Napper's Respite
Handyman's Handle Madame Dixie Pyromancer's Mask Prancer's Pride Dead Cone Hottie's Hoodie Connoisseur's Cap Stately Steel Toe
Handyman's Handle Madame Dixie Pyromancer's Mask Prancer's Pride Dead Cone Hottie's Hoodie Connoisseur's Cap Stately Steel Toe
Birdcage Little Buddy Flamboyant Flamenco Bubble Pipe Head Warmer Waxy Wayfinder HazMat Headcase Coffin Kit
Birdcage Little Buddy Flamboyant Flamenco Bubble Pipe Head Warmer Waxy Wayfinder HazMat Headcase Coffin Kit
Wraith Wrap Respectless Robo-Glove Plumber's Pipe Firewall Helmet Metal Slug Pyro's Boron Beanie Electric Escorter Bolted Birdcage
Wraith Wrap Respectless Robo-Glove Plumber's Pipe Firewall Helmet Metal Slug Pyro's Boron Beanie Electric Escorter Bolted Birdcage
Pampered Pyro Burning Bandana Hive Minder Bone Dome Toy Tailor Sole Mate Combustible Kabuto Smoking Skid Lid
Pampered Pyro Burning Bandana Hive Minder Bone Dome Toy Tailor Sole Mate Combustible Kabuto Smoking Skid Lid
Employee of the Mmmph Pyromancer's Hood A Head Full of Hot Air Neptune's Nightmare Cranial Carcharodon Pestering Jester Feathered Fiend Burning Beanie
Employee of the Mmmph Pyromancer's Hood A Head Full of Hot Air Neptune's Nightmare Cranial Carcharodon Pestering Jester Feathered Fiend Burning Beanie
Cat's Pajamas Burning Question Melted Mop Skullbrero Winter Wrap Up Fire Fighter Flamehawk Seared Sorcerer
Cat's Pajamas Burning Question Melted Mop Skullbrero Winter Wrap Up Fire Fighter Flamehawk Seared Sorcerer
Round-A-Bout Brim of Fire Reel Fly Hat Wandering Wraith Elf Ignition Partizan Propaniac Firestalker
Round-A-Bout Brim of Fire Reel Fly Hat Wandering Wraith Elf Ignition Partizan Propaniac Firestalker
Flame Warrior Splitting Headache
Flame Warrior Splitting Headache
Taunt Party Trick Pool Party Balloonibouncer Headcase Skating Scorcher Scorcher's Solo Hot Wheeler Roasty Toasty
Party Trick Pool Party Balloonibouncer Headcase Skating Scorcher Scorcher's Solo Hot Wheeler Roasty Toasty
Primary Warhawk Grenade Launcher Butcher Bird Grenade Launcher Sweet Dreams Grenade Launcher Rainbow Grenade Launcher
Warhawk Grenade Launcher Butcher Bird Grenade Launcher Sweet Dreams Grenade Launcher Rainbow Grenade Launcher
Secondary Sudden Flurry Stickybomb Launcher Carpet Bomber Stickybomb Launcher Liquid Asset Stickybomb Launcher Pink Elephant Stickybomb Launcher Blitzkrieg Stickybomb Launcher Sweet Dreams Stickybomb Launcher
Sudden Flurry Stickybomb Launcher Carpet Bomber Stickybomb Launcher Liquid Asset Stickybomb Launcher Pink Elephant Stickybomb Launcher Blitzkrieg Stickybomb Launcher Sweet Dreams Stickybomb Launcher
Melee Horseless Headless Horsemann's Headtaker
Horseless Headless Horsemann's Headtaker
Cosmetic Demoman's Fro Glengarry Bonnet Scotsman's Stove Pipe Hustler's Hallmark Tippler's Tricorne Sober Stuntman Carouser's Capotain Rimmed Raincatcher
Demoman's Fro Glengarry Bonnet Scotsman's Stove Pipe Hustler's Hallmark Tippler's Tricorne Sober Stuntman Carouser's Capotain Rimmed Raincatcher
Prince Tavish's Crown Samur-Eye Reggaelator Private Eye Conjurer's Cowl Sultan's Ceremonial Tam O' Shanter Mask of the Shaman
Prince Tavish's Crown Samur-Eye Reggaelator Private Eye Conjurer's Cowl Sultan's Ceremonial Tam O' Shanter Mask of the Shaman
Buccaneer's Bicorne Hat With No Name Tavish DeGroot Experience Scotch Bonnet Voodoo JuJu (Slight Return) Bolted Bicorne Broadband Bonnet FR-0
Buccaneer's Bicorne Hat With No Name Tavish DeGroot Experience Scotch Bonnet Voodoo JuJu (Slight Return) Bolted Bicorne Broadband Bonnet FR-0
Cyborg Stunt Helmet Pure Tin Capotain Strontium Stove Pipe Black Watch Tartan Spartan Stormin' Norman Glasgow Great Helm Pirate Bandana
Cyborg Stunt Helmet Pure Tin Capotain Strontium Stove Pipe Black Watch Tartan Spartan Stormin' Norman Glasgow Great Helm Pirate Bandana
Tartan Tyrolean Razor Cut Allbrero Frontier Djustice Bomber's Bucket Hat Scot Bonnet Valhalla Helm Outta' Sight
Tartan Tyrolean Razor Cut Allbrero Frontier Djustice Bomber's Bucket Hat Scot Bonnet Valhalla Helm Outta Sight
Bruce's Bonnet Dayjogger Spirit of the Bombing Past Bomb Beanie Bomber Knight Elf Esteem Blast Defense War Eagle
Bruce's Bonnet Dayjogger Spirit of the Bombing Past Bomb Beanie Bomber Knight Elf Esteem Blast Defense War Eagle
Hungover Hero Antarctic Eyewear Frag Proof Fragger Backbreaker's Skullcracker Bobby Bonnet Spiky Viking Hazard Headgear Sophisticated Smoker
Hungover Hero Antarctic Eyewear Frag Proof Fragger Backbreaker's Skullcracker Bobby Bonnet Spiky Viking Hazard Headgear Sophisticated Smoker
Helm Helm Head Banger Bombard Brigadier Nightbane Brim Plaid Lad Blast Bowl Thunder Dome
Helm Helm Head Banger Bombard Brigadier Nightbane Brim Plaid Lad Blast Bowl Thunder Dome
Taunt Spent Well Spirits Oblooterated Bad Pipes Scotsmann's Stagger Pooped Deck Drunken Sailor Drunk Mann's Cannon Shanty Shipmate
Spent Well Spirits Oblooterated Bad Pipes Scotsmann's Stagger Pooped Deck Drunken Sailor Drunk Mann's Cannon Shanty Shipmate
Roar O'War
Roar O'War
Primary King of the Jungle Minigun Brick House Minigun Butcher Bird Minigun Mister Cuddles Minigun Brain Candy Minigun
King of the Jungle Minigun Brick House Minigun Butcher Bird Minigun Mister Cuddles Minigun Brain Candy Minigun
Secondary Backwoods Boomstick Shotgun Lightning Rod Shotgun Red Bear Shotgun Flower Power Shotgun
Backwoods Boomstick Shotgun Lightning Rod Shotgun Red Bear Shotgun Flower Power Shotgun
Cosmetic Football Helmet Officer's Ushanka Tough Guy's Toque Hound Dog Heavy Duty Rag Hard Counter Pugilist's Protector Cadaver's Cranium
Football Helmet Officer's Ushanka Tough Guy's Toque Hound Dog Heavy Duty Rag Hard Counter Pugilist's Protector Cadaver's Cranium
Coupe D'isaster Big Chief Magnificent Mongolian Dread Knot Large Luchadore Team Captain Capo's Capper Copper's Hard Top
Coupe D'isaster Big Chief Magnificent Mongolian Dread Knot Large Luchadore Team Captain Capo's Capper Copper's Hard Top
Dragonborn Helmet Gym Rat One-Man Army Outdoorsman Soviet Gentleman Bunsen Brave Tungsten Toque Gridiron Guardian
Dragonborn Helmet Gym Rat One-Man Army Outdoorsman Soviet Gentleman Bunsen Brave Tungsten Toque Gridiron Guardian
Tsarboosh Bear Necessities Katyusha Minnesota Slick Bullet Buzz Eliminator's Safeguard Sammy Cap Trash Man
Tsarboosh Bear Necessities Katyusha Minnesota Slick Bullet Buzz Eliminator's Safeguard Sammy Cap Trash Man
Fur-Lined Fighter Hunter Heavy Sleeveless in Siberia Old Man Frost Siberian Facehugger White Russian Sucker Slug Mo'Horn
Fur-Lined Fighter Hunter Heavy Sleeveless in Siberia Old Man Frost Siberian Facehugger White Russian Sucker Slug Mo'Horn
Pestering Jester Warhood Aztec Aggressor Commando Elite Fat Man's Field Cap Nuke War Eagle Polar Bear
Pestering Jester Warhood Aztec Aggressor Commando Elite Fat Man's Field Cap Nuke War Eagle Polar Bear
Sinner's Shade Starboard Crusader Mann-O-War Cool Capuchon Convict Cap Sophisticated Smoker SandMann's Brush Snack Stack
Sinner's Shade Starboard Crusader Mann-O-War Cool Capuchon Convict Cap Sophisticated Smoker SandMann's Brush Snack Stack
Mooshanka Squatter's Right Horror Shawl Ol' Reliable Bare Bear Bones
Mooshanka Squatter's Right Horror Shawl Ol' Reliable Bare Bear Bones
Taunt Proletariat Posedown Russian Arms Race Soviet Strongarm Boiling Point Table Tantrum Bare Knuckle Beatdown Russian Rubdown Road Rager
Proletariat Posedown Russian Arms Race Soviet Strongarm Boiling Point Table Tantrum Bare Knuckle Beatdown Russian Rubdown Road Rager
Primary Backwoods Boomstick Shotgun Lightning Rod Shotgun Red Bear Shotgun Flower Power Shotgun
Backwoods Boomstick Shotgun Lightning Rod Shotgun Red Bear Shotgun Flower Power Shotgun
Secondary Red Rock Roscoe Pistol Black Dahlia Pistol Sandstone Special Pistol Blitzkrieg Pistol Blue Mew Pistol Shot to Hell Pistol Brain Candy Pistol
Red Rock Roscoe Pistol Black Dahlia Pistol Sandstone Special Pistol Blitzkrieg Pistol Blue Mew Pistol Shot to Hell Pistol Brain Candy Pistol
Melee Airwolf Wrench Torqued to Hell Wrench
Airwolf Wrench Torqued to Hell Wrench
Cosmetic Mining Light Texas Slim's Dome Shine Texas Ten Gallon Engineer's Cap Hotrod Safe'n'Sound Buckaroo's Hat Industrial Festivizer
Mining Light Texas Slim's Dome Shine Texas Ten Gallon Engineer's Cap Hotrod Safe'n'Sound Buckaroo's Hat Industrial Festivizer
Big Country Professor's Peculiarity Hetman's Headpiece Western Wear Ol' Geezer Hat With No Name Pencil Pusher Virtual Reality Headset
Big Country Professor's Peculiarity Hetman's Headpiece Western Wear Ol' Geezer Hat With No Name Pencil Pusher Virtual Reality Headset
Brainiac Hairpiece Barnstormer Plug-In Prospector Timeless Topper Data Mining Light Texas Tin-Gallon Pardner's Pompadour Trencher's Topper
Brainiac Hairpiece Barnstormer Plug-In Prospector Timeless Topper Data Mining Light Texas Tin-Gallon Pardner's Pompadour Trencher's Topper
Danger Peacenik's Ponytail Conagher's Combover Sheriff's Stetson Smokey Sombrero Wide-Brimmed Bandito Flash of Inspiration Plumber's Cap
Danger Peacenik's Ponytail Conagher's Combover Sheriff's Stetson Smokey Sombrero Wide-Brimmed Bandito Flash of Inspiration Plumber's Cap
Trucker's Topper Antarctic Eyewear Defragmenting Hard Hat 17% Brain Interface Texas Toast El Mostacho Provisions Cap Telefragger Toque
Trucker's Topper Antarctic Eyewear Defragmenting Hard Hat 17% Brain Interface Texas Toast El Mostacho Provisions Cap Telefragger Toque
Winter Wrap Up Head Of Defense Sophisticated Smoker Wavefinder Blitzen Bowl Backpack Train of Thought.png Lawnmaker Dustbowl Devil
Winter Wrap Up Head of Defense Sophisticated Smoker Wavefinder Blitzen Bowl Train of Thought Lawnmaker Dustbowl Devil
More Gun Marshal Arctic Mole Soft Hard Hat Hazard Handler Cranium Cooler Dell Dynamic
More Gun Marshal Arctic Mole Soft Hard Hat Hazard Handler Cranium Cooler Dell Dynamic
Taunt Rancho Relaxo Bucking Bronco Dueling Banjo Jumping Jack Texas Truckin' Texas Twirl 'Em
Rancho Relaxo Bucking Bronco Dueling Banjo Jumping Jack Texas Truckin' Texas Twirl 'Em
Secondary Wrapped Reviver Medi Gun Masked Mender Medi Gun Spark of Life Medi Gun Corsair Medi Gun Blitzkrieg Medi Gun Flower Power Medi Gun
Wrapped Reviver Medi Gun Masked Mender Medi Gun Spark of Life Medi Gun Corsair Medi Gun Blitzkrieg Medi Gun Flower Power Medi Gun
Cosmetic Prussian Pickelhaube Vintage Tyrolean Otolaryngologist's Mirror Ze Goggles Gentleman's Gatsby Berliner's Bucket Helm Blighted Beak German Gonzila
Prussian Pickelhaube Vintage Tyrolean Otolaryngologist's Mirror Ze Goggles Gentleman's Gatsby Berliner's Bucket Helm Blighted Beak German Gonzila
Geisha Boy Medic's Mountain Cap Grimm Hatte Private Eye Team Captain Doctor's Sack Surgeon's Stahlhelm Gentleman's Ushanka
Geisha Boy Medic's Mountain Cap Grimm Hatte Private Eye Team Captain Doctor's Sack Surgeon's Stahlhelm Gentleman's Ushanka
Platinum Pickelhaube Halogen Head Lamp Titanium Tyrolean Virus Doctor Powdered Practitioner Das Hazmattenhatten Das Ubersternmann Das Naggenvatcher
Platinum Pickelhaube Halogen Head Lamp Titanium Tyrolean Virus Doctor Powdered Practitioner Das Hazmattenhatten Das Ubersternmann Das Naggenvatcher
Das Maddendoktor Das Gutenkutteharen Baron Von Havenaplane Slick Cut Mann of Reason Nunhood Heer's Helmet Teutonic Toque
Das Maddendoktor Das Gutenkutteharen Baron von Havenaplane Slick Cut Mann of Reason Nunhood Heer's Helmet Teutonic Toque
Surgeon's Shako Physician's Protector Berlin Brain Bowl Gauzed Gaze Field Practice Battle Boonie Coldfront Commander Mighty Mitre
Surgeon's Shako Physician's Protector Berlin Brain Bowl Gauzed Gaze Field Practice Battle Boonie Coldfront Commander Mighty Mitre
Snowcapped Elf Care Provider Optic Nerve Soda Cap Victorian Villainy Oktoberfester Power Spike
Snowcapped Elf Care Provider Optic Nerve Soda Cap Victorian Villainy Oktoberfester Power Spike
Taunt Meet the Medic (taunt) Results Are In Surgeon's Squeezebox Time Out Therapy Mannbulance! Doctor's Defibrillators Head Doctor Borrowed Bones
Meet the Medic Results Are In Surgeon's Squeezebox Time Out Therapy Mannbulance! Doctor's Defibrillators Head Doctor Borrowed Bones
Primary Purple Range Sniper Rifle Night Owl Sniper Rifle Thunderbolt Sniper Rifle Airwolf Sniper Rifle Balloonicorn Sniper Rifle Rainbow Sniper Rifle
Purple Range Sniper Rifle Night Owl Sniper Rifle Thunderbolt Sniper Rifle Airwolf Sniper Rifle Balloonicorn Sniper Rifle Rainbow Sniper Rifle
Secondary Woodsy Widowmaker SMG Low Profile SMG Blitzkrieg SMG Blue Mew SMG
Woodsy Widowmaker SMG Low Profile SMG Blitzkrieg SMG Blue Mew SMG
Cosmetic Trophy Belt Professional's Panama Master's Yellow Belt Ritzy Rick's Hair Fixative Shooter's Sola Topi Bloke's Bucket Hat Ol' Snaggletooth Larrikin Robin
Trophy Belt Professional's Panama Master's Yellow Belt Ritzy Rick's Hair Fixative Shooter's Sola Topi Bloke's Bucket Hat Ol' Snaggletooth Larrikin Robin
Crocleather Slouch Villain's Veil Desert Marauder Anger Hat With No Name Your Worst Nightmare Swagman's Swatter Fruit Shoot
Crocleather Slouch Villain's Veil Desert Marauder Anger Hat With No Name Your Worst Nightmare Swagman's Swatter Fruit Shoot
HazMat Headcase Liquidator's Lid Cold Killer Soldered Sensei Letch's LED Shooter's Tin Topi Wet Works Brim-Full Of Bullets
HazMat Headcase Liquidator's Lid Cold Killer Soldered Sensei Letch's LED Shooter's Tin Topi Wet Works Brim-Full of Bullets
Toy Soldier Deep Cover Operator Dread Hiding Hood Professional's Ushanka Corona Australis Archer's Sterling Classy Capper Puffy Polar Cap
Toy Soldier Deep Cover Operator Dread Hiding Hood Professional's Ushanka Corona Australis Archer's Sterling Classy Capper Puffy Polar Cap
Antarctic Eyewear Head Hedge Highway Star Bare Necessities Missing Piece Winter Wrap Up Glow from Below Killing Tree
Antarctic Eyewear Head Hedge Highway Star Bare Necessities Missing Piece Winter Wrap Up Glow from Below Killing Tree
Wild Brim Slouch Hawaiian Hunter Headhunter's Brim Cranium Cover Sightseer
Wild Brim Slouch Hawaiian Hunter Headhunter's Brim Cranium Cover Sightseer
Taunt I See You Killer Solo Most Wanted Didgeridrongo Shooter's Stakeout
I See You Killer Solo Most Wanted Didgeridrongo Shooter's Stakeout
Secondary Psychedelic Slugger Revolver Dead Reckoner Revolver Blitzkrieg Revolver Flower Power Revolver
Psychedelic Slugger Revolver Dead Reckoner Revolver Blitzkrieg Revolver Flower Power Revolver
Melee Blitzkrieg Knife Airwolf Knife Brain Candy Knife Stabbed to Hell Knife Blue Mew Knife
Blitzkrieg Knife Airwolf Knife Brain Candy Knife Stabbed to Hell Knife Blue Mew Knife
Cosmetic Fancy Fedora Backbiter's Billycock Magistrate's Mullet Frenchman's Beret Familiar Fez Détective Noir Le Party Phantom Noh Mercy
Fancy Fedora Backbiter's Billycock Magistrate's Mullet Frenchman's Beret Familiar Fez Détective Noir Le Party Phantom Noh Mercy
Private Eye Charmer's Chapeau Janissary Ketche Cosa Nostra Cap Nanobalaclava Counterfeit Billycock L'Inspecteur Hat of Cards
Private Eye Charmer's Chapeau Janissary Ketche Cosa Nostra Cap Nanobalaclava Counterfeit Billycock L'Inspecteur Hat of Cards
Base Metal Billycock Bootleg Base Metal Billycock Pom-Pommed Provocateur Powdered Practitioner Harmburg Belgian Detective L'homme Burglerre Deep Cover Operator
Base Metal Billycock Bootleg Base Metal Billycock Pom-Pommed Provocateur Powdered Practitioner Harmburg Belgian Detective L'homme Burglerre Deep Cover Operator
Napoleon Complex Aviator Assassin A Hat to Kill For Big Topper Brain-Warming Wear Murderer's Motif Shutterbug Voodoo Vizier
Napoleon Complex Aviator Assassin A Hat to Kill For Big Topper Brain-Warming Wear Murderer's Motif Shutterbug Voodoo Vizier
Crabe de Chapeau Crustaceous Cowl Festive Cover-Up Monsieur Grenouille Frostbite Bonnet Cleaner's Cap
Crabe de Chapeau Crustaceous Cowl Festive Cover-Up Monsieur Grenouille Frostbite Bonnet Cleaner's Cap
Taunt Buy A Life Box Trot Disco Fever Luxury Lounge Travel Agent Tailored Terminal Teufort Tango Crypt Creeper
Buy A Life Box Trot Disco Fever Luxury Lounge Travel Agent Teufort Tango Tailored Terminal Crypt Creeper
Cosmetic Modest Pile of Hat Noble Amassment of Hats Towering Pillar of Hats Dr's Dapper Topper A Rather Festive Tree Company Man Killer Exclusive Hot Dogger
Modest Pile of Hat Noble Amassment of Hats Towering Pillar of Hats Dr's Dapper Topper A Rather Festive Tree Company Man Killer Exclusive Hot Dogger
Salty Dog Brown Bomber Human Cannonball Crone's Dome Executioner Tough Stuff Muffs Bot Dogger Modest Metal Pile of Scrap
Salty Dog Brown Bomber Human Cannonball Crone's Dome Executioner Tough Stuff Muffs Bot Dogger Modest Metal Pile of Scrap
Noble Nickel Amassment of Hats Towering Titanium Pillar of Hats Galvanized Gibus Brotherhood of Arms Well-Rounded Rifleman Horrific Headsplitter Federal Casemaker Cotton Head
Noble Nickel Amassment of Hats Towering Titanium Pillar of Hats Galvanized Gibus Brotherhood of Arms Well-Rounded Rifleman Horrific Headsplitter Federal Casemaker Cotton Head
Antlers Virtual Viewfinder Hong Kong Cone Kiss King Neckwear Headwear Polar Pullover Dark Falkirk Helm Law
Antlers Virtual Viewfinder Hong Kong Cone Kiss King Neckwear Headwear Polar Pullover Dark Falkirk Helm Law
Merc's Mohawk Tipped Lid Vive La France Crown of the Old Kingdom Boxcar Bomber Coldsnap Cap Winter Woodsman Co-Pilot
Merc's Mohawk Tipped Lid Vive La France Crown of the Old Kingdom Boxcar Bomber Coldsnap Cap Winter Woodsman Co-Pilot
Rotation Sensation Potassium Bonnet Captain Cardbeard Cutthroat Universal Translator Captain Space Mann Phononaut Duck Billed Hatypus Prehistoric Pullover
Rotation Sensation Potassium Bonnet Captain Cardbeard Cutthroat Universal Translator Captain Space Mann Phononaut Duck Billed Hatypus Prehistoric Pullover
Patriot Peak Chill Chullo A Well Wrapped Hat Bedouin Bandana Class Crown Lil' Bitey Nasty Norsemann Toadstool Topper
Patriot Peak Chill Chullo A Well Wrapped Hat Bedouin Bandana Class Crown Lil' Bitey Nasty Norsemann Toadstool Topper
Snowmann Woolen Warmer Head Prize Legendary Lid Aztec Warrior Hunter in Darkness Jungle Wreath Pithy Professional
Snowmann Woolen Warmer Head Prize Legendary Lid Aztec Warrior Hunter in Darkness Jungle Wreath Pithy Professional
Balloonihoodie Caribou Companion Tundra Top Lucky Cat Hat Bread Heads Bat Hat Mister Bones Bumble Beenie
Balloonihoodie Caribou Companion Tundra Top Lucky Cat Hat Bread Heads Bat Hat Mister Bones Bumble Beenie
Candy Crown Citizen Cane Globetrotter Smissmas Saxton Yule Hog Breadcrab A Handsome Handy Thing All Hallows' Hatte
Candy Crown Citizen Cane Globetrotter Smissmas Saxton Yule Hog Breadcrab A Handsome Handy Thing All Hallows' Hatte
Hollowed Helm King Cardbeard Misfortune Fedora Sir Pumpkinton Wrap-A-Khamon Jolly Jingler Reindoonibeanie Shoestring Santa
Hollowed Helm King Cardbeard Misfortune Fedora Sir Pumpkinton Wrap-A-Khamon Jolly Jingler Reindoonibeanie Shoestring Santa
Smissmas Sorcerer Towering Pile of Presents Towering Pillar of Beanies Ballooniphones Alakablamicon Beanie The All-Gnawing Bone Cone Hat Outta Hell
Smissmas Sorcerer Towering Pile of Presents Towering Pillar of Beanies Ballooniphones Alakablamicon Beanie the All-Gnawing Bone Cone Hat Outta Hell
Second-Head Headwear Spooky Head-Bouncers Towering Patch of Pumpkins Twisted Topper Cozy Catchers El Fiestibrero Giftcrafter Gnome Dome
Second-Head Headwear Spooky Head-Bouncers Towering Patch of Pumpkins Twisted Topper Cozy Catchers El Fiestibrero Giftcrafter Gnome Dome
Hat Chocolate Jolly Jester Merry Cone Reindoonihorns Seasonal Spring Decorated Veteran Undercover Brolly Onimann
Hat Chocolate Jolly Jester Merry Cone Reindoonihorns Seasonal Spring Decorated Veteran Undercover Brolly Onimann
Starlight Sorcerer Lumbercap Colonel Kringle Festive Rack Trapper's Flap Brothers in Blues Full Metal Helmet Demonic Dome
Starlight Sorcerer Lumbercap Colonel Kringle Festive Rack Trapper's Flap Brothers in Blues Full Metal Helmet Demonic Dome
Ludicrously Lunatic Lunon Fedora Mean Captain
Ludicrously Lunatic Lunon Fedora Mean Captain
Taunt Schadenfreude High Five! Shred Alert Conga Square Dance Skullcracker Flippin' Awesome Rock, Paper, Scissors
Schadenfreude High Five! Shred Alert Conga Square Dance Skullcracker Flippin' Awesome Rock, Paper, Scissors
Kazotsky Kick Burstchester Mannrobics Zoomin' Broom Second Rate Sorcery Victory Lap Yeti Punch Yeti Smash
Kazotsky Kick Burstchester Mannrobics Zoomin' Broom Second Rate Sorcery Victory Lap Yeti Punch Yeti Smash
Fist Bump Scaredy-cat! Killer Joke
Fist Bump Scaredy-cat! Killer Joke

Update history

September 30, 2010 Patch (Mann-Conomy Update)
  • [Undocumented] Added Unusual quality.

August 18, 2011 Patch (Manno-Technology Bundle)

  • [Undocumented] Added Stormy Storm, Blizzardy Storm, Nuts n' Bolts, Orbiting Planets, Orbiting Fire, Bubbling, Smoking, and Steaming unusual effects.

August 23, 2011 Patch

  • Fixed sunbeams effect.

October 27, 2011 Patch (Very Scary Halloween Special)

  • [Undocumented] Added Cloudy Moon, Eerie Orbiting Fire, Flaming Lantern, and Cauldron Bubbles unusual effects.

October 26, 2012 Patch (Spectral Halloween Special)

  • [Undocumented] Added Knifestorm, Misty Skull, Harvest Moon, It's A Secret To Everybody and Stormy 13th Hour unusual effects.

May 17, 2013 Patch (Robotic Boogaloo)

  • [Undocumented] Added Anti-Freeze, Electrostatic, Green Black Hole, Memory Leak, Overclocked, Phosphorous, Power Surge, Roboactive, Sulphurous, and Time Warp unusual effects.

June 5, 2013 Patch

  • Attachment point and offset for particle effects on unusual hats can now be adjusted from the character loadout screen.
  • Fixed a bug that would cause unusual effects to float in the air over dead players.
  • Fixed a bug that would cause unusual effects to show incorrectly sometimes when spectating other players.

June 19, 2013 Patch

  • [Undocumented] Added Aces High, Cloud 9, Dead Presidents, Disco Beat Down, Kill-a-Watt, Miami Nights, and Terror-Watt unusual effects.

October 29, 2013 Patch (Scream Fortress 2013)

  • [Undocumented] Added Arcana, Chiroptera Venenata, Darkblaze, Demonflame, Hellfire, Poisoned Shadows, Something Burning This Way Comes, and Spellbound unusual effects.

December 20, 2013 Patch

  • Unusual effect positioning can now be adjusted for all Cosmetic-slot items.
  • Unusual Circling Effects have been given a new origin.
  • Unusual effects for all Cosmetic-slot items are now visible in the loadout panel and character HUD.

June 18, 2014 Patch (Love & War)

  • [Undocumented] Added '72, Fountain Of Delight, Holy Grail, Mega Strike, Midnight Whirlwind, Screaming Tiger, Showstopper, and Skill Gotten Gains unusual taunt effects.
  • Added the Mann Co. Audition Reel. Contains taunts and a rare chance at an unusual taunt.
  • Updated Mann Co. Crates to display which Unusual Series they can potentially output.

October 29, 2014 Patch (Scream Fortress 2014)

  • [Undocumented] Added Amaranthine, Bonzo The All-Gnawing, Ghastly Ghosts, Ghastly Ghosts Jr., Haunted Phantasm, Haunted Phantasm Jr., Stare From Beyond, and The Ooze unusual effects. Also added Ghastly Ghosts, and Haunted Phantasm unusual taunt effects

November 4, 2014 Patch

  • Renamed two Unusual effects
    • Haunted Phantasm Jr to Ghastly Ghosts Jr
    • Attrib_Particle86 to Haunted Phantasm Jr

December 8, 2014 Patch (End of the Line Update)

  • [Undocumented] Added Death at Dusk, Frostbite, Molten Mallard and Morning Glory unusual effects.

January 9, 2015 Patch

  • Fixed the Mega Strike unusual taunt effect showing through walls

February 18, 2015 Patch

  • Fixed some Unusual particle effects not drawing correctly.

July 2, 2015 Patch (Gun Mettle Update)

  • [Undocumented] Added Isotope, Hot, Cool, and Energy Orb unusual effects.

August 18, 2015 Patch

  • Fixed character loadout menus so they display the particle effects for all equipped Unusual items.

October 6, 2015 Patch (Invasion Update)

  • [Undocumented] Added Abduction, Atomic, Subatomic, Electric Hat Protector, Magnetic Hat Protector, Voltaic Hat Protector, Galactic Codex, Ancient Codex, and Nebula unusual effects.

October 12, 2015 Patch

  • Fixed Unusual versions of the Taunt: Burstchester not displaying their Unusual effects.

October 28, 2015 Patch (Scream Fortress 2015)

  • [Undocumented] Added Death by Disco, It's a mystery to everyone, It's a puzzle to me, Ether Trail, Nether Trail, Ancient Eldritch, and Eldritch Flame unusual effects.

October 29, 2015 Patch

  • Fixed the Invasion Unusual effect "Subatomic" being off-center.

July 28, 2016 Patch

  • Fixed not seeing particle effects for Unusual versions of Baseball Bill's Sports Shine, Ritzy Rick's Hair Fixative, and Texas Slim's Dome Shine.

October 21, 2016 Patch (Scream Fortress 2016)

  • The chance to receive an Unusual item from a case opening has been increased during the event
  • All cases and Mann Co. Supply Crates will grant Halloween 2016 Unusual effects instead of their normal Unusual effects
  • [Undocumented] Added Neutron Star, Tesla Coil, Starstorm Insomnia, Starstorm Slumber, Hellish Inferno, Spectral Swirl, Infernal Flames, and Infernal Smoke unusual effects.

November 18, 2016 Patch

  • Returned Unusual drop chances and possible particles effects to their original values now that Halloween has ended.

November 21, 2016 Patch

  • Taunt Unusualifiers apply non-Halloween Unusual effects now that Halloween has ended.

June 2, 2017 Patch

  • Fixed the Neutron Star unusual effect being occasionally displaced after the player respawns.

December 13, 2017 Patch

  • Fixed a rendering issue with the Spectral Swirl unusual effect.

December 21, 2017 Patch (Smissmas 2017)

  • Fixed a rendering issue with the Misty Skull unusual effect.

Bugs

  • With enough player movement, Unusual effects from the Invasion update (Subatomic, Atomic) will become off-center from the player's head.
  • Unusual effects from the End of the Line update (Morning Glory, Death at Dusk, Molten Mallard) also show similar bugs, except parts of the particle effect (sun, duck respectively) drift a huge distance away from the player.
  • Effects which have been adjusted may not appear.
  • One end of the particle effect on Kill-a-Watt and Terror-Watt may randomly attach to temporarily random areas of a map, causing the effect to stretch from the point through any walls to the wearer's head.

Unused content

Currently unused Unusual effects
Cosmetic effects
UNUSED AAA AAA.png
UNUSED Balloon.png
UNUSED Beams1 Newstyle.png
UNUSED Beany Green.png
UNUSED Beany Hearts.png
UNUSED Beany Target.png
AAA_AAA balloon beams1_newstyle beany_green beany_hearts beany_target
UNUSED Beany TF.png
UNUSED Circling Glow.png
UNUSED Circling Skull.png
UNUSED Crisp Spotlights Cones03.png
UNUSED Halo.png
UNUSED Orbit.png
beany_tf circling_glow circling_skull crisp_spotlights_cones03 halo orbit
UNUSED Orbit Fullmoon Cloudy.png
UNUSED Sparkler Green.png
UNUSED Sparkler Orange.png
UNUSED Sparkles1.png
UNUSED Sparkles2.png
UNUSED Sparkles3.png
orbit_fullmoon_cloudy sparkler_green sparkler_orange sparkles1 sparkles2 sparkles3
UNUSED Spray Confetti.png
UNUSED Storm Blood.png
UNUSED Stormcloud.png
UNUSED Symbols Parent Ice.png
UNUSED Test.png
spray_confetti storm_blood stormcloud symbols_parents_ice test


Trivia

  • The effect named "It's A Secret To Everybody" is a reference to a popular phrase in the video game series The Legend of Zelda. The effect itself appears to be a reference to the moon in The Legend of Zelda: Majora's Mask.
  • The effect named "Something Burning This Way Comes" references the fantasy horror novel by the name Something Wicked This Way Comes by Ray Bradbury; the title is itself a reference to the Shakespeare piece Macbeth, towards a specific line in Act 4, Scene 1.
  • The effect named "Dead Presidents" refers to a slang term used to describe U.S. currency, which comes from the fact that most U.S. banknotes depict deceased Presidents.
  • The effects named "Sulphurous" and "Phosphorous" are references to the chemical elements Sulfur/Sulphur and Phosphorus.
  • The effect named "Chiroptera Venenata" is rough Latin for "Poisonous Bat".
  • The effects named "It's a mystery to everyone" and "It's a puzzle to me" are references to two emotes from the Something Awful forums. The effect itself has a ghost orbiting around.
  • One of the dances the skeletons does in the effect "Death By Disco" might be a reference to the battle stance of Papyrus, a character in Undertale.
  • The effects named "Kill-a-Watt" and "Terror-Watt" are references to the measures of electrical power kilowatts and terawatts.
  • Community contributors whose Unusual effects are accepted through the Steam Workshop are awarded a Self-Made Unusual Cap.
  • Some unusual items (such as the Finder's Fee, or items with the Community Sparkle effect) cannot be unboxed and are given to certain players for finding major bugs in the game, or somehow contributing to the game in some form.
  • The effect named "Skill gotten gains" is a play on the phrase 'Ill gotten gains' meaning money obtained through illegal acts.
  • The first ever unusual ever unboxed was a Stout Shako with the effect of Circling Peace Sign.
  • The Unusual effect for taunt titled "72" may be a reference to 1972, where disco music was popular and in fashion.

References

See also