Unusual

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See also: Particle effects
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

The Unusual quality is an item quality used on cosmetic items, taunts, and weapons. Unusual quality items have special particle effects attached to them, and are considered to be some of the rarest items in Team Fortress 2. There are currently 525 cosmetics that can have one of 176 total effects, 71 taunts that can have one of 67 total effects, and 44 weapons that can have one of 5 effects. Unusual items can primarily be obtained through opening Mann Co. Supply Crates and cases. There is a less than 1% chance of obtaining an Unusual quality item through crates and cases.[1] Unusual quality items can be obtained in any crate or case, but the effect pools may vary depending on the crate or case series.

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

Unusual effects

Standard Series

Standard Unusual effects can be found in specific crate series and all case series.

Series 1

The first series of standard Unusual effects was added in the Mann-Conomy Update. They can be obtained in crates Series #1 through Series #25, as well as any case. If obtained through a crate, the hat may be any hat from any Mann Co. Supply Crate. If obtained through the case, the hat will be exclusive to that case.

List of 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


Series 2

The second series of standard Unusual effects was added in the August 18, 2011 Patch. They can be obtained in crates Series #26 through Series #58, as well as any case. If obtained through a crate, the hat may be any hat from any Mann Co. Supply Crate. If obtained through the case, the hat will be exclusive to that case.

List of 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


Series 3

The third series of standard Unusual effects was added in the June 19, 2013 Patch. They can be obtained in crates and cases Series #59 through Series #103, as well as any case. If obtained through a crate, the hat may be any hat from any Mann Co. Supply Crate. If obtained through the case, the hat will be exclusive to that case.

List of 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 Aces High (RED) Aces High (BLU) Dead Presidents
Unusual Miami Nights.png
Unusual Disco Beat Down.png
Miami Nights Disco Beat Down


Summer Series

Summer Unusual effects can be found in specific Summer cases.

Summer 2020 Pack

The first Summer series of Unusual effects was added in the Summer 2020 Pack update. They can be obtained by opening a Summer 2020 Cosmetic Case.

List of Summer 2020 Pack Unusual effects
Cosmetic effects
Unusual Verdatica.png
Unusual Aromatica.png
Unusual Chromatica.png
Unusual Prismatica.png
Unusual Bee Swarm.png
Unusual Frisky Fireflies.png
Verdatica Aromatica Chromatica Prismatica Bee Swarm Frisky Fireflies
Unusual Smoldering Spirits.png
Unusual Wandering Wisps.png
Unusual Kaleidoscope.png
Smoldering Spirits Wandering Wisps Kaleidoscope


Summer 2021 Pack

The second Summer series of Unusual effects was added in the Summer 2021 Pack update. They can be obtained by opening a Summer 2021 Cosmetic Case.

List of Summer 2021 Pack Unusual effects
Cosmetic effects
Unusual Resonation.png
Unusual Aggradation.png
Unusual Lucidation.png
Unusual Stunning.png
Unusual Ardentum Saturnalis.png
Unusual Fragrancium Elementalis.png
Aggradation Resonation Lucidation Stunning Ardentum Saturnalis Fragrancium Elementalis
Unusual Reverium Irregularis RED.png
Unusual Reverium Irregularis BLU.png
Unusual Perennial Petals.png
Unusual Flavorsome Sunset.png
Unusual Raspberry Bloom.png
Unusual Iridescence.png
Reverium Irregularis (RED) Reverium Irregularis (BLU) Perennial Petals Flavorsome Sunset Raspberry Bloom Iridescence


Scream Fortress Series

Scream Fortress Unusual effects can be found in specific Scream Fortress crates and cases.

Very Scary Halloween Special

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

List of Very Scary Halloween Special Unusual effects
Cosmetic effects
Unusual Flaming Lantern.png
Unusual Cloudy Moon.png
Unusual Cauldron Bubbles.png
Unusual Eerie Orbiting Fire.png
Flaming Lantern Cloudy Moon Cauldron Bubbles Eerie Orbiting Fire


Spectral Halloween Special

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

List of Spectral Halloween Special Unusual effects
Cosmetic effects
Unusual Knifestorm.png
Unusual Misty Skull.png
Unusual Harvest Moon.png
Unusual It's A Secret To Everybody.png
Unusual Stormy 13th Hour.png
Knifestorm Misty Skull Harvest Moon It's A Secret To Everybody Stormy 13th Hour


Scream Fortress V

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

List of Scream Fortress V Unusual effects
Cosmetic effects
Unusual Arcana.png
Unusual Spellbound.png
Unusual Chiroptera Venenata.png
Unusual Poisoned Shadows.png
Unusual Something Burning This Way Comes.png
Unusual Hellfire.png
Arcana Spellbound Chiroptera Venenata Poisoned Shadows Something Burning This Way Comes Hellfire
Unusual Darkblaze.png
Unusual Demonflame.png
Darkblaze Demonflame


Scream Fortress VI

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

List of Scream Fortress VI Unusual effects
Cosmetic effects
Unusual Bonzo The All-Gnawing.png
Unusual Amaranthine.png
Unusual Stare From Beyond.png
Unusual The Ooze.png
Unusual Ghastly Ghosts Jr.png
Unusual Haunted Phantasm Jr.png
Bonzo The All-Gnawing Amaranthine Stare From Beyond The Ooze Ghastly Ghosts Jr Haunted Phantasm Jr
Taunt effects
Unusual Haunted Phantasm.png
Unusual Ghastly Ghosts.png
Haunted Phantasm Ghastly Ghosts


Scream Fortress VII

The fifth Scream Fortress series of Unusual effects was added in the Scream Fortress VII update. They can be obtained by opening a Gargoyle Case.

List of Scream Fortress VII Unusual effects
Cosmetic effects
Unusual Death by Disco.png
Unusual It's a mystery to everyone.png
Unusual It's a puzzle to me.png
Unusual Ether Trail.png
Unusual Nether Trail.png
Unusual Ancient Eldritch.png
Death by Disco It's a mystery to everyone It's a puzzle to me Ether Trail Nether Trail Ancient Eldritch
Unusual Eldritch Flame.png
Eldritch Flame


Scream Fortress VIII

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

List of Scream Fortress VIII Unusual effects
Cosmetic effects
Unusual Neutron Star.png
Unusual Tesla Coil.png
Unusual Starstorm Insomnia.png
Unusual Starstorm Slumber.png
Neutron Star Tesla Coil Starstorm Insomnia Starstorm Slumber
Taunt effects
Unusual Hellish Inferno.png
Unusual Spectral Swirl.png
Unusual Infernal Flames.png
Unusual Infernal Smoke.png
Hellish Inferno Spectral Swirl Infernal Flames Infernal Smoke


Scream Fortress X

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

List of Scream Fortress X Unusual effects
Cosmetic effects
Unusual Brain Drain.png
Unusual Open Mind.png
Unusual Head of Steam.png
Unusual Galactic Gateway.png
Unusual The Eldritch Opening.png
Unusual The Dark Doorway.png
Brain Drain Open Mind Head of Steam Galactic Gateway The Eldritch Opening The Dark Doorway
Unusual Ring of Fire.png
Unusual Vicious Circle.png
Unusual White Lightning.png
Unusual Omniscient Orb.png
Unusual Clairvoyance.png
Ring of Fire Vicious Circle White Lightning Omniscient Orb Clairvoyance
Taunt effects
Unusual Acidic Bubbles of Envy.png
Unusual Flammable Bubbles of Attraction.png
Unusual Poisonous Bubbles of Regret.png
Unusual Roaring Rockets.png
Unusual Spooky Night.png
Unusual Ominous Night.png
Acidic Bubbles of Envy Flammable Bubbles of Attraction Poisonous Bubbles of Regret Roaring Rockets Spooky Night Ominous Night


Scream Fortress XI

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

List of Scream Fortress XI Unusual effects
Cosmetic effects
Unusual Fifth Dimension.png
Unusual Vicious Vortex.png
Unusual Menacing Miasma.png
Unusual Abyssal Aura.png
Unusual Ghastly Grove.png
Unusual Wicked Wood.png
Fifth Dimension Vicious Vortex Menacing Miasma Abyssal Aura Wicked Wood Ghastly Grove
Unusual Mystical Medley.png
Unusual Ethereal Essence.png
Unusual Twisted Radiance.png
Unusual Violet Vortex.png
Unusual Verdant Vortex.png
Unusual Valiant Vortex.png
Mystical Medley Ethereal Essence Twisted Radiance Violet Vortex Verdant Vortex Valiant Vortex
Taunt effects
Unusual Bewitched.png
Unusual Accursed.png
Unusual Enchanted.png
Unusual Static Mist.png
Unusual Eerie Lightning.png
Unusual Terrifying Thunder.png
Bewitched Accursed Enchanted Static Mist Eerie Lightning Terrifying Thunder
Unusual Jarate Shock.png
Unusual Nether Void.png
Jarate Shock Nether Void


Scream Fortress XII

The ninth Scream Fortress series of Unusual effects was added in the Scream Fortress XII update. They could be obtained in any case or Unusualifier during the event. The cosmetic effects can still be obtained by opening a Wicked Windfall Case.

List of Scream Fortress XII Unusual effects
Cosmetic effects
Unusual Green Giggler.png
Unusual Laugh-O-Lantern.png
Unusual Plum Prankster.png
Unusual Pyroland Nightmare.png
Unusual Gravelly Ghoul.png
Unusual Vexed Volcanics.png
Green Giggler Laugh-O-Lantern Plum Prankster Pyroland Nightmare Gravelly Ghoul Vexed Volcanics
Unusual Gourdian Angel.png
Unusual Pumpkin Party.png
Gourdian Angel Pumpkin Party
Taunt effects
Unusual Spectral Escort.png
Unusual Astral Presence.png
Unusual Arcane Assistance RED.png
Unusual Arcane Assistance BLU.png
Unusual Emerald Allurement.png
Unusual Pyrophoric Personality.png
Spectral Escort Astral Presence Arcane Assistance (RED) Arcane Assistance (BLU) Emerald Allurement Pyrophoric Personality
Unusual Spellbound Aspect.png
Unusual Static Shock.png
Unusual Veno Shock.png
Unusual Toxic Terrors.png
Unusual Arachnid Assault.png
Unusual Creepy Crawlies.png
Spellbound Aspect Static Shock Veno Shock Toxic Terrors Arachnid Assault Creepy Crawlies


Scream Fortress XIII

The tenth Scream Fortress series of Unusual effects was added in the Scream Fortress XIII update. They can currently be obtained in any case or Unusualifier.

List of Scream Fortress XIII Unusual effects
Cosmetic effects
Unusual Tempered Thorns.png
Unusual Devilish Diablo.png
Unusual Severed Serration.png
Unusual Shrieking Shades.png
Unusual Restless Wraiths RED.png
Unusual Restless Wraiths BLU.png
Tempered Thorns Devilish Diablo Severed Serration Shrieking Shades Restless Wraiths (RED) Restless Wraiths (BLU)
Unusual Infernal Wraith.png
Unusual Phantom Crown.png
Unusual Ancient Specter.png
Unusual Viridescent Peeper.png
Unusual Eyes of Molten.png
Unusual Ominous Stare.png
Infernal Wraith Phantom Crown Ancient Specter Viridescent Peeper Eyes of Molten Ominous Stare
Unusual Pumpkin Moon.png
Unusual Frantic Spooker.png
Unusual Frightened Poltergeist.png
Unusual Energetic Haunter.png
Pumpkin Moon Frantic Spooker Frightened Poltergeist Energetic Haunter
Taunt effects
Unusual Spectral Shackles.png
Unusual Cursed Confinement.png
Unusual Cavalier de Carte RED.png
Unusual Cavalier de Carte BLU.png
Unusual Hollow Flourish.png
Unusual Magic Shuffle.png
Spectral Shackles Cursed Confinement Cavalier de Carte (RED) Cavalier de Carte (BLU) Hollow Flourish Magic Shuffle
Unusual Vigorous Pulse.png
Unusual Thundering Spirit.png
Unusual Galvanic Defiance.png
Unusual Wispy Halos.png
Unusual Nether Wisps.png
Unusual Aurora Borealis.png
Vigorous Pulse Thundering Spirit Galvanic Defiance Wispy Halos Nether Wisps Aurora Borealis
Unusual Aurora Australis.png
Unusual Aurora Polaris.png
Aurora Australis Aurora Polaris


Smissmas Series

Smissmas Unusual effects can be found in specific Smissmas cases.

Smissmas 2019

The first Smissmas series of Unusual effects was added in the Smissmas 2019 update. They could be obtained in any case or Unusualifier during the event. The cosmetic effects can still be obtained by opening a Winter 2019 Cosmetic Case.

List of Smissmas 2019 Unusual effects
Cosmetic effects
Unusual Sparkling Lights.png
Unusual Frozen Icefall.png
Unusual Fragmented Gluons.png
Unusual Fragmented Quarks.png
Unusual Fragmented Photons.png
Unusual Defragmenting Reality RED.png
Sparkling Lights Frozen Icefall Fragmented Gluons Fragmented Quarks Fragmented Photons Defragmenting Reality (RED)
Unusual Defragmenting Reality BLU.png
Unusual Fragmenting Reality.png
Unusual Refragmenting Reality.png
Unusual Snowfallen.png
Unusual Snowblinded.png
Unusual Pyroland Daydream RED.png
Defragmenting Reality (BLU) Fragmenting Reality Refragmenting Reality Snowfallen Snowblinded Pyroland Daydream (RED)
Unusual Pyroland Daydream BLU.png
Pyroland Daydream (BLU)
Taunt effects
Unusual Good-Hearted Goodies.png
Unusual Wintery Wisp.png
Unusual Arctic Aurora.png
Unusual Winter Spirit.png
Unusual Festive Spirit.png
Unusual Magical Spirit.png
Good-Hearted Goodies Wintery Wisp Arctic Aurora Winter Spirit Festive Spirit Magical Spirit


Smissmas 2020

The second Smissmas series of Unusual effects was added in the Smissmas 2020 update. They could be obtained in any case or Unusualifier during the event. The cosmetic effects can still be obtained by opening a Winter 2020 Cosmetic Case.

List of Smissmas 2020 Unusual effects
Cosmetic effects
Unusual Frozen Fractals.png
Unusual Lavender Landfall.png
Unusual Special Snowfall.png
Unusual Divine Desire.png
Unusual Distant Dream.png
Unusual Violent Wintertide.png
Frozen Fractals Lavender Landfall Special Snowfall Divine Desire Distant Dream Violent Wintertide
Unusual Blighted Snowstorm.png
Unusual Pale Nimbus.png
Unusual Genus Plasmos.png
Unusual Serenus Lumen.png
Unusual Ventum Maris.png
Unusual Mirthful Mistletoe RED.png
Blighted Snowstorm Pale Nimbus Genus Plasmos Serenus Lumen Ventum Maris Mirthful Mistletoe (RED)
Unusual Mirthful Mistletoe BLU.png
Mirthful Mistletoe (BLU)
Taunt effects
Unusual Delightful Star.png
Unusual Frosted Star.png
Unusual Apotheosis.png
Unusual Ascension.png
Unusual Reindoonicorn Rancher RED.png
Unusual Reindoonicorn Rancher BLU.png
Delightful Star Frosted Star Apotheosis Ascension Reindoonicorn Rancher (RED) Reindoonicorn Rancher (BLU)
Unusual Twinkling Lights.png
Unusual Shimmering Lights.png
Twinkling Lights Shimmering Lights


Miscellaneous Series

Miscellaneous Unusual effects are standalone and are not connected to any holiday.

Community Sparkle

An exclusive type of Unusual effect was added in the First Community Contribution Update meant for outstanding community members. It is automatically applied to Community and Self-Made items.

Community Sparkle Unusual effects
Cosmetic effects
Unusual Community Sparkle.png
Taunt effects
Unusual Community Sparkle Taunt.png
Weapon effects
Unusual Community Sparkle Weapon.png
Community Sparkle Community Sparkle Community Sparkle


Robotic Boogaloo

An exclusive series of Unusual effects was added in the Robotic Boogaloo update. They can be obtained by opening a Robo Community Crate.

List of Robotic Boogaloo Unusual effects
Cosmetic effects
Unusual Phosphorous.png
Unusual Sulphurous.png
Unusual Memory Leak.png
Unusual Overclocked.png
Unusual Electrostatic.png
Unusual Power Surge.png
Phosphorous Sulphurous Memory Leak Overclocked Electrostatic Power Surge
Unusual Anti-Freeze.png
Unusual Time Warp.png
Unusual Green Black Hole.png
Unusual Roboactive.png
Anti-Freeze Time Warp Green Black Hole Roboactive


Love & War Update

An exclusive series of Unusual effects was added in the Love & War Update. They can be obtained through the Mann Co. Audition Reel, Mann Co. Director's Cut Reel and Unusualifiers.

List of Love & War Update Unusual effects
Taunt effects
Unusual Showstopper RED.png
Unusual Showstopper BLU.png
Unusual Holy Grail.png
Unusual '72.png
Unusual Fountain of Delight.png
Unusual Screaming Tiger.png
Showstopper (RED) Showstopper (BLU) Holy Grail '72 Fountain of Delight Screaming Tiger
Unusual Skill Gotten Gains.png
Unusual Midnight Whirlwind.png
Unusual Silver Cyclone.png
Unusual Mega Strike.png
Skill Gotten Gains Midnight Whirlwind Silver Cyclone Mega Strike


End of the Line Update

An exclusive series of Unusual effects was added in the End of the Line Update. They can be obtained by opening an End of the Line Community Crate.

List of End of the Line Update Unusual effects
Cosmetic effects
Unusual Frostbite.png
Unusual Molten Mallard.png
Unusual Morning Glory.png
Unusual Death at Dusk.png
Frostbite Molten Mallard Morning Glory Death at Dusk


Gun Mettle Update

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

List of Gun Mettle Update Unusual effects
Weapon effects
Unusual Hot.png
Unusual Isotope.png
Unusual Cool.png
Unusual Energy Orb.png
Hot Isotope Cool Energy Orb*
*Removed from all Unusual pools


Invasion Community Update

An exclusive series of Unusual effects was added in the Invasion Community Update. They can be obtained through either a Confidential Collection Case or a Quarantined Collection Case.

List of Invasion Community Update Unusual effects
Cosmetic effects
Unusual Abduction.png
Unusual Atomic.png
Unusual Subatomic.png
Unusual Electric Hat Protector.png
Unusual Magnetic Hat Protector.png
Unusual Voltaic Hat Protector.png
Abduction Atomic Subatomic Electric Hat Protector Magnetic Hat Protector Voltaic Hat Protector
Unusual Galactic Codex.png
Unusual Ancient Codex.png
Unusual Nebula.png
Galactic Codex Ancient Codex Nebula


Other Unusual Items

Two special items of Unusual quality were introduced in the Scream Fortress Update: the Haunted Metal Scrap and Horseless Headless Horsemann's Headtaker. The Haunted Metal Scrap is given to any player who has taken part in defeating the Horseless Headless Horsemann with a melee weapon during a Halloween event. The Horseless Headless Horsemann's Headtaker can be obtained by crafting, and is statistically identical to the Eyelander. Despite having the Unusual quality, these items have no unique particle effects.

Backpack Haunted Metal Scrap.png
Unusual Haunted Metal Scrap
Level 4 Craft Item
This scrap metal was taken from the Horseless Headless Horsemann. It whispers faintly...'heads'...

( Achievement Item: Not Tradable or Marketable )
Backpack Horseless Headless Horsemann's Headtaker.png
Unusual Horseless Headless Horsemann's Headtaker
Level 1 - 100 Axe
This weapon has a large melee range and deploys and holsters slower
No random critical hits
-25 max health on wearer
Cursed by dark spirits similar to those that dwell within the Eyelander.

( Not Tradable or Marketable )

Unused content

Unused Unusual effects

These effects either currently or previously existed in the game's files, but were left unused. They are named by their internal filenames, as they have no official names. Please note that certain effects have been modified to display correctly.

Currently unused effects

These effects currently exist in the files of the game, and aren't used anywhere.

List of 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


Removed unused effects

These effects previously existed in the files of the game, but have since been removed.

List of removed Unusual effects
Cosmetic effects
UNUSED Orbit Shells.png
orbit_shells


List of Unusual Items

Update history

September 30, 2010 Patch (Mann-Conomy Update)
  • [Undocumented] Unusual quality introduced.
  • [Undocumented] Added the following Gen 1 effects:
    • Cosmetic effects: Burning Flames, Circling Heart, Circling Peace Sign, Circling TF Logo, Green Confetti, Green Energy, Haunted Ghosts, Massed Flies, Purple Confetti, Purple Energy, Scorching Flames, Searing Plasma, Sunbeams, Vivid Plasma

August 18, 2011 Patch (Manno-Technology Bundle)

  • [Undocumented] Added the following Gen 2 effects:
    • Cosmetic effects: Blizzardy Storm, Bubbling, Nuts n' Bolts, Orbiting Fire, Orbiting Planets, Smoking, Steaming, Stormy Storm

August 23, 2011 Patch

  • Fixed the sunbeams hat effect

October 27, 2011 Patch (Very Scary Halloween Special)

  • Any unusual hats uncrated during the event will be Halloween-themed
  • [Undocumented] Added the following Very Scary Halloween Special effects:
    • Cosmetic effects: Cauldron Bubbles, Cloudy Moon, Eerie Orbiting Fire, Flaming Lantern
  • [Undocumented] Added the unused Orbiting Shells Unusual effect.

October 26, 2012 Patch (Spectral Halloween Special)

  • [Undocumented] Added the following Spectral Halloween Special effects:
    • Cosmetic effects: Harvest Moon, It's A Secret To Everybody, Knifestorm, Misty Skull, Stormy 13th Hour

May 17, 2013 Patch #1 (Robotic Boogaloo)

  • [Undocumented] Added the following Robotic Boogaloo effects:
    • Cosmetic effects: Anti-Freeze, Electrostatic, Green Black Hole, Memory Leak, Overclocked, Phosphorous, Power Surge, Roboactive, Sulphurous, Time Warp

June 5, 2013 Patch

  • Unusual effects:
    • 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 the following Gen 3 effects:
    • Cosmetic effects: Aces High, Cloud 9, Dead Presidents, Disco Beat Down, Kill-a-Watt, Miami Nights, Terror-Watt

July 11, 2013 Patch

  • Fixed Disco Beat Down unusual effect showing through walls

October 29, 2013 Patch (Scream Fortress 2013)

  • Enabled Halloween themed Unusual Effects to be found from Mann Co Supply Crates
  • [Undocumented] Added the following Scream Fortress 2013 effects:
    • Cosmetic effects: Arcana, Chiroptera Venenata, Darkblaze, Demonflame, Hellfire, Poisoned Shadows, Something Burning This Way Comes, Spellbound

December 20, 2013 Patch (Smissmas 2013)

  • 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 Update)

  • 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
  • [Undocumented] Added the following Love & War effects:
    • Taunt effects: '72, Fountain of Delight, Holy Grail, Mega Strike, Midnight Whirlwind, Screaming Tiger, Showstopper, Silver Cyclone, Skill Gotten Gains

October 29, 2014 Patch (Scream Fortress 2014)

  • During Scream Fortress VI:
    • All Unusual hats and taunts that are unboxed during the event will receive Halloween-themed Unusual effects
  • [Undocumented] Added the following Scream Fortress 2014 effects:
    • Cosmetic effects: Amaranthine, Bonzo The All-Gnawing, Ghastly Ghosts Jr, Haunted Phantasm Jr, Stare From Beyond, The Ooze
    • Taunt effects: Ghastly Ghosts, Haunted Phantasm

November 4, 2014 Patch

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

December 8, 2014 Patch #1 (End of the Line Update)

  • [Undocumented] Added the following End of the Line Update effects:
    • Cosmetic effects: Death at Dusk, Frostbite, Molten Mallard, Morning Glory

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)

  • Fixed not seeing unusual effects during demo playback and while connected to SourceTV
  • Crate descriptions now display a checkmark beside listed potential items that the player already owns at least one of, regardless of quality and discounting Stock weapons. Possessing an unusual displays a star instead of a checkmark.
    • This also applies to Decorated weapon descriptions, showing which weapons of that collection the player has in their backpack.
  • [Undocumented] Added the following Gun Mettle Update effects:
    • Weapon effects: Cool, Energy Orb, Hot, Isotope

August 18, 2015 Patch #1

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

October 6, 2015 Patch (Invasion Community Update)

  • [Undocumented] Added the following Invasion Community Update effects:
    • Cosmetic effects: Abduction, Ancient Codex, Atomic, Electric Hat Protector, Galactic Codex, Magnetic Hat Protector, Nebula, Subatomic, Voltaic Hat Protector

October 12, 2015 Patch

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

October 28, 2015 Patch (Scream Fortress 2015)

  • Mann Co Supply Crates will have a chance for a classic Halloween Unusual effect
  • [Undocumented] Added the following Scream Fortress 2015 effects:
    • Cosmetic effects: Ancient Eldritch, Death by Disco, Eldritch Flame, Ether Trail, It's a mystery to everyone, It's a puzzle to me, Nether Trail

October 29, 2015 Patch

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

December 17, 2015 Patch (Tough Break Update)

  • Fixed a bug where Unusual Slider was not properly saving

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)

  • Added a taunt Unusualifier
    • A new tool that will Unusualify the specified taunt with the Unusual effect listed in the tool's description
    • Can be found as a random bonus item when opening a Creepy Crawly Case
  • Added 8 new community-created Unusual effects
    • 4 new effects for Unusual hats
    • 4 new effects for Unusual taunts
  • 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 the following Scream Fortress 2016 effects:
    • Cosmetic effects: Neutron Star, Starstorm Insomnia, Starstorm Slumber, Tesla Coil
    • Taunt effects: Hellish Inferno, Infernal Flames, Infernal Smoke, Spectral Swirl

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 1, 2017 Patch

  • Fixed rendering issues with the Infernal Flames, Infernal Smoke, Cloudy Moon, It's A Secret To Everybody, Ancient Eldritch, Eldritch Flame, and Death by Disco unusual effects.

December 13, 2017 Patch

  • Fixed a rendering issue with the Spectral Swirl unusual effect

December 21, 2017 Patch #1 (Smissmas 2017)

  • Fixed a rendering issue with the Misty Skull unusual effect

March 28, 2018 Patch #1

  • Fixed the Community Sparkle particle effect not drawing on the viewmodel for players with Community and Self-Made weapons
  • Updated the Harvest Moon, Dead Presidents, and Circling Peace Sign unusual effects to fix display problems
  • Updated The Jag to fix a problem with the Isotope unusual effect

October 19, 2018 Patch (Scream Fortress 2018)

  • Added 17 new community-created Unusual effects
    • 11 new effects for Unusual hats
    • 6 new effects for Unusual taunts
  • All cases will grant Halloween 2018 Unusual effects instead of their normal Unusual effects during the event
  • [Undocumented] Added the following Scream Fortress 2018 effects:
    • Cosmetic effects: Brain Drain, Clairvoyance, Galactic Gateway, Head of Steam, Omniscient Orb, Open Mind, Ring of Fire, The Dark Doorway, The Eldritch Opening, Vicious Circle, White Lightning
    • Taunt effects: Acidic Bubbles of Envy, Flammable Bubbles of Attraction, Ominous Night, Poisonous Bubbles of Regret, Roaring Rockets, Spooky Night

October 25, 2018 Patch

  • Updated the Roaring Rockets unusual taunt particle effect

October 30, 2018 Patch

  • Updated the Roaring Rockets unusual taunt particle effect

December 19, 2018 Patch (Smissmas 2018)

  • Updated the Starstorm Slumber unusual effect to fix a display problem

October 10, 2019 Patch (Scream Fortress 2019)

  • Added 20 new community-created Unusual effects
    • 12 new effects for Unusual hats
    • 8 new effects for Unusual taunts
  • All cosmetic and taunt Cases will grant Halloween 2019 Unusual effects instead of their normal Unusual effects during the event. This does not include Crates.
  • [Undocumented] Added the following Scream Fortress 2019 effects:
    • Cosmetic effects: Abyssal Aura, Ethereal Essence, Fifth Dimension, Ghastly Grove, Menacing Miasma, Mystical Medley, Twisted Radiance, Valiant Vortex, Verdant Vortex, Vicious Vortex, Violet Vortex, Wicked Wood
    • Taunt effects: Accursed, Bewitched, Eerie Lightning, Enchanted, Jarate Shock, Nether Void, Static Mist, Terrifying Thunder

December 16, 2019 Patch (Smissmas 2019)

  • Added 17 new community-created Unusual effects
    • 11 new effects for Unusual hats
    • 6 new effects for Unusual taunts
  • [Undocumented] Added the following Smissmas 2019 effects:
    • Cosmetic effects: Defragmenting Reality, Fragmented Gluons, Fragmented Photons, Fragmented Quarks, Fragmenting Reality, Frozen Icefall, Pyroland Daydream, Refragmenting Reality, Snowblinded, Snowfallen, Sparkling Lights
    • Taunt effects: Arctic Aurora, Festive Spirit, Good-Hearted Goodies, Magical Spirit, Winter Spirit, Wintery Wisp

August 21, 2020 Patch (Summer 2020 Pack)

  • Added 4 new community-created Unusual effects
  • [Undocumented] Added the following Summer 2020 Pack effects:
    • Cosmetic effects: Aromatica, Bee Swarm, Chromatica, Frisky Fireflies, Kaleidoscope, Prismatica, Smoldering Spirits, Verdatica, Wandering Wisps

October 1, 2020 Patch (Scream Fortress 2020)

  • Added 19 new community-created Unusual effects
    • 8 new effects for Unusual hats
    • 11 new effects for Unusual taunts
  • All cosmetic and taunt Cases will grant Halloween 2020 Unusual effects instead of their normal Unusual effects during the event. This does not include Crates.
  • [Undocumented] Added the following Scream Fortress 2020 effects:
    • Cosmetic effects: Green Giggler, Laugh-O-Lantern, Plum Prankster, Pyroland Nightmare, Gravelly Ghoul, Vexed Volcanics, Gourdian Angel, Pumpkin Party
    • Taunt effects: Arachnid Assault, Arcane Assistance, Astral Presence, Pyrophoric Personality, Creepy Crawlies, Emerald Allurement, Spectral Escort, Spellbound Aspect, Static Shock, Toxic Terrors, Veno Shock

October 2, 2020 Patch #1

  • Updated the timing of the Static Shock and Veno Shock unusual effects

December 3, 2020 Patch (Smissmas 2020)

  • Added 19 new community-created Unusual effects
    • 12 new effects for Unusual hats
    • 7 new effects for Unusual taunts
  • All cosmetic and taunt cases will grant Smissmas 2020 Unusual effects instead of their normal Unusual effects during the event. This does not include crates.
  • [Undocumented] Added the following Smissmas 2020 effects:
    • Cosmetic effects: Blighted Snowstorm, Distant Dream, Divine Desire, Frozen Fractals, Genus Plasmos, Lavender Landfall, Mirthful Mistletoe, Pale Nimbus, Serenus Lumen, Special Snowfall, Ventum Maris, Violent Wintertide
    • Taunt effects: Apotheosis, Ascension, Delightful Star, Frosted Star, Reindoonicorn Rancher, Shimmering Lights, Twinkling Lights

June 22, 2021 Patch #1 (Summer 2021 Pack)

  • Added 6 new community-created Unusual effects
  • Moved materials for the community particle effects into the Effects/workshop sub-folder to distinguish them from Valve materials
  • [Undocumented] Added the following Summer 2021 Pack effects:
    • Cosmetic effects: Aggradation, Ardentum Saturnalis, Flavorsome Sunset, Fragrancium Elementalis, Iridescence, Lucidation, Perennial Petals, Raspberry Bloom, Resonation, Reverium Irregularis, Stunning
  • [Undocumented] Updated the Gravelly Ghoul and Vexed Volcanics Unusual effects.

September 16, 2021 Patch

  • Updated the Resonation, Aggradation, and Lucidation unusual effects to fix a problem when taunting

October 5, 2021 Patch (Scream Fortress 2021)

  • Added 28 new community-created Unusual effects
    • 15 new effects for Unusual hats
    • 13 new effects for Unusual taunts
  • All cosmetic and taunt Cases will grant Halloween 2021 Unusual effects instead of their normal Unusual effects during the event. This does not include Crates.
  • [Undocumented] Added the following Scream Fortress 2021 effects:
    • Cosmetic effects: Tempered Thorns, Devilish Diablo, Severed Serration, Shrieking Shades, Restless Wraiths, Infernal Wraith, Phantom Crown, Ancient Specter, Viridescent Peeper, Eyes of Molten, Ominous Stare, Pumpkin Moon, Frantic Spooker, Frightened Poltergeist, Energetic Haunter
    • Taunt effects: Spectral Shackles, Cursed Confinement, Cavalier de Carte, Hollow Flourish, Magic Shuffle, Vigorous Pulse, Thundering Spirit, Galvanic Defiance, Wispy Halos, Nether Wisps, Aurora Borealis, Aurora Australis, Aurora Polaris

October 8, 2021 Patch

  • Updated the Shrieking Shades Unusual effect to prevent a naming conflict with another effect
  • Updated the Spectral Shackles Unusual effect to fix some material and rendering issues
  • Updated the Thundering Spirit Unusual effect to fix a missing glow effect

October 28, 2021 Patch

  • Updated border color for Unusual items in the loadout menu

Bugs

The Energy Orb Unusual effect shown blocking a player's first-person view.
  • 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.
  • 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.
  • Sometimes an Unusual effect floats in the air separated from the player's model instead of sticking to the cosmetic item.
    • This can occur when a player taunts.
    • Effect may also appear on the player's abdomen or chest; it may also disappear along with the cosmetic.
  • Sometimes a weapon Unusual effect can appear blocking a player's first person view, only resetting once the player switches weapons, respawns or switches teams.

Notes

Trivia

  • The first Unusual hat ever uncrated was a Circling Peace Sign Stout Shako.[2]
  • Kill-a-Watt and Terror-Watt's names reference certain measures of electrical power, these being kilowatts and terawatts respectively.
  • Dead Presidents' name 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 sprite itself is a United States $100 bill with Saxton Hale's bust on it.
  • It's A Secret To Everybody's name is a reference to a popular quote from The Legend of Zelda video game series.
  • Stormy 13th Hour's name refers to the "13th stroke of a clock", a phrase used to indicate that previous events should be called into question.
  • Chiroptera Venenata's name uses the scientific name for bats, Chiroptera, as well as Venenata - rough Latin for "poisonous animal". This makes Chiroptera Venenata's name roughly translate to "poisonous bat".
  • Something Burning This Way Comes' name references the fantasy horror novel 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.
  • Bonzo The All-Gnawing is a miniature version of the tent monster seen in Carnival of Carnage.
  • It's a mystery to everyone and It's a puzzle to me both reference an emote from the Something Awful forums of a ghost with the caption "it is a mystery."
  • The effects Sulphurous and Phosphorous' names are references to the chemical elements Sulfur (or sulphur) and Phosphorus, respectively.
  • The effect Skill Gotten Gains' name is a play on the phrase "ill gotten gains," meaning money obtained through illegal acts.
  • The effect Pumpkin Moon is based on the Pumpkin Moon seasonal event in the game Terraria.

References

See also