Particle effects
Particle effects are used frequently in Team Fortress 2 to serve as decoration or visual cues for various in-game events.
A detailed explanation of particle effects in general can be found on Template:W. Documentation for the Source engine's implementation can be found here.
Treasure Hat effect
Unusual effects
Unusual particle effects are particles attached to Unusual quality items.
There are 1008 possible combinations between hats and Unusual item particle effects (14 effects × 72 [current] possible unusual hats). The different particle effects are viewable in this animation, and here as they appear in-game; as well as in this video.
Currently, 25 out of 98 different hats cannot possess any of the 14 possible Unusual effects. These hats include:
Examples
- Unusual purple Confetti.png
Purple Confetti Effect #7
- Unusual Ghost.png
Haunted Ghosts Effect #8
- Unusual green energy glow.png
Green Energy Effect #9
- Unusual purple energy.png
Purple Energy Effect #10
- Unusual tf2logo effect.jpg
Circling TF Logo Effect #11
- Unusual Flies.png
Massed Flies Effect #12
- Unusual Chieftain's Challenge normal burning fire effect.png
Burning Flames Effect #13
- Unusual Green Flame Effect.png
Scorching Flames Effect #14
- Unusual plasma effect 2.png
Searing Plasma Effect #15
- Vivid Plasma.png
Vivid Plasma Effect #16
- Unusual sunbeam.png
Sunbeams Effect #17
- Unusual Peace.png
Circling Peace Sign Effect #18
- Medic Unusual Heart Effect.png
Circling Heart Effect # 19