Unknown Small

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This article is about Unknown Small. You may be looking for other uses of Unknown.

Description

The Unknown Small, in-game displayed with randomly generated zalgo, is an enemy that appears in Hardcore and Voidcore modes. It also appeared in Containment as part of the Hexscape Event, appeared in the Nil Zone as part of the Halloween 2025 Live Events and appeared in the Nil Zone II as part of the Halloween 2026 Live Events. It has a decent amount of health for its debut and above average speed. It has one ability where, upon death, it will apply a 30% Fatigue Debuff and deal 20 damage to units in an explosion with a radius of 15.

Logbook Description

"There is not much to know about the Unknowns. Whether they are a lesser Unknown or a younger Unknown compared to the Unknown is still up for debate. What is known about them, though, is how they will violently implode upon death. It’s uncertain if even Void Caster knows much about them."

Appearance

The Unknown Small is a corrupted black entity. It emits glitch particles and has fingers on its hand. It has multiple small humanoids on its body.

Event Strategy

  • High DPS towers, like the Ranger, Accelerator, Juggernaut, Engineer or Pursuit are recommended against this.
    • The DJ Booth and Commander can also be quite useful at boosting their statistics.
      • The Commander specifically can be used to partially mitigate its ability.
  • As it applies a debuff, majority forms of immunity to stuns will not work on its ability, meaning its effective on most towers.
    • The top path Juggernaut can be used to reduce the debuff duration.

Corpse Variants

  •  
    Second Corpse variant, current version (11 October 2025 – Present)

Trailers

  •  
    Unknown in the game trailer.

Miscellaneous

  •  
    Unknown on its first Index icon.
  •  
    Unknown on its current Index icon.

Trivia

  • The name of the Unknown Small will change between random variations of Zalgo text.

Update History


Hardcore
Previous Debut Current Debut Next Debut
Void Brute
Wave 33 		Unknown Small & Elite Void Rusher
Wave 34 		Nightshade
Wave 35
Voidcore
Previous Debut Current Debut Next Debut
Void Keeper
Wave 35 		Unknown Small
Wave 36 		Elite Void Rusher
Wave 37



 
Normal Gamemode Enemies
Easy Mode Normal • Speedy • Slow • Normal Boss • Hidden • Breaker2 • Breaker • Necromancer • Skeleton • Armored • Slow Boss • Enraged • Breaker3 • Brute
Casual Mode Normal • Speedy • Slow • Normal Boss • Hidden • Enraged • Armored • Breaker2 • Breaker • Necromancer • Skeleton • Slow Boss • Hidden Boss • Hazmat • Speedy Boss • Breaker4 • Breaker3 • Grave Digger
Intermediate Mode Normal • Speedy • Slow • Normal Boss • Abnormal • Quick • Heavy • Elite Abnormal • Hidden • Breaker2 • Breaker • Bolt • Reaver • Ghoul • Boomer • Hazmat • Living Experiment • Speedy Boss • Slime • Breaker4 • Breaker3 • Elite Hazmat • Hidden Boss • Failed Experiment • Giant Boss • Patient Zero
Molten Mode Abnormal • Quick • Heavy • Elite Abnormal • Molten • Corpse • Molten Demon • Breaker3 • Breaker2 • Breaker • Molten Golem • Elite Hazmat • Hidden Boss • Molten Necromancer • Elite Boomer • Molten Hound • Molten Mech • Bulwark • Breaker4 • Elite Molten • Molten Executioner • Tanker • Molten Summoner • Molten Titan • Molten Warlord
Fallen Mode Abnormal • Quick • Fallen Skeleton • Fallen Dreg • Corpse • Fallen Squire • Breaker2 • Breaker • Fallen Soul • Fallen • Fallen Giant • Fallen Hazmat • Possessed Armor • Fallen Necromancer • Corrupted Fallen • Fallen Seraph • Fallen Jester • Necrotic Skeleton • Breaker4 • Breaker3 • Fallen Rusher • Fallen Hero • Fallen Shield • Fallen Summoner • Fallen Angel • Fallen Honor Guard • Fallen Tank • Fallen Guardian • Fallen King • Warden • Awakened Fallen King
Frost Mode Frozen • Snowy • Snowman • Frostmite • Snow Golem • Cold Mist • Frost Mystery • Snow Minion • Crying Angel • Yeti • Packed Ice • Unstable Ice • Frost Invader • Frost Undead • Blizzard Wizard • Frost Hunter • Frostbane • Frost Ravager • Deep Freeze • Shivergeist • Frost Mage • Mega Frost Mystery • Frost Necromancer • Frost Champion • Jack Frost • Frost Hero • Frost Spirit • Ice Beacon
Challenge Trials Abnormal • Quick • Heavy • Elite Abnormal • Breaker2 • Breaker • Armored • Necromancer • Skeleton • Bolt • Living Experiment • Elite Hazmat • Speedy Boss • Circuit • Giant Boss • Necrotic Skeleton • Breaker4 • Breaker3 • Tanker • Necromancer King • Cursed Skeleton • Fallen Tank • Brute • Grave Digger • Enraged • Normal Boss • Hazmat • Warden • Champion Templar
Hardcore Mode Odd • Swift • Hefty • Mandrake • Phantom • Balloon • Lead • Elite Lead • Mystery • Blighted • Cursed Skeleton • Voidling • Void Reaper • Elite Phantom • Mandragora • Void Rusher • Void Pike • Void Titan • Void Floater • Elite Mystery • Void Brute • Unknown Small • Elite Void Rusher • Nightshade • Void Keeper • Soul • Slow King • Void Cultist • Healing Beacon • Speedy King • Vindicator • Heavy Voidling • Elite Soul • Unknown Boss • Void Knight • Void Trickster • Void Portal • Void Swordmaster • Void Guardian • Void Reaver • Void Eye
Voidcore Mode Odd • Swift • Hefty • Cursed Skeleton • Phantom • Balloon • Lead • Elite Lead • Mystery • Blighted • Mandrake • Voidling • Elite Phantom • Void Reaper • Void Floater • Void Rusher • Void Pike • Void Titan • Mandragora • Elite Mystery • Void Brute • Void Keeper • Unknown Small • Elite Void Rusher • Slow King • Speedy King • Crystalian • Soul • Elite Soul • Void Trickster • Void Portal • Nightshade • Vindicator • Unknown Boss • Void Cultist • Healing Beacon • Soul Stealer • Void Eye • Heavy Voidling • Void Knight • Void Swordmaster • Void Guardian • Void Reaver • Void Caster
Special & PVP Enemies
Basic Arena Normal • Quick • Speedy • Slow • Normal Boss • Hidden • Breaker2 • Breaker • Necromancer • Skeleton • Armored • Hazmat • Slow Boss • Hidden Boss • Enraged • Breaker4 • Breaker3 • Speedy Boss • Brute • Champion Templar
Molten Arena Normal • Quick • Speedy • Slow • Elite Abnormal • Hidden • Breaker2 • Breaker • Enraged • Armored • Molten • Reaver • Necromancer • Skeleton • Molten Hazmat • Living Experiment • Hazmat • Hidden Boss • Molten Mech • Molten Necromancer • Molten Demon • Molten Golem • Breaker4 • Breaker3 • Failed Experiment • Slime • Molten Titan • Corpse • Champion Templar
Fallen Arena Abnormal • Quick • Heavy • Fallen Squire • Fallen Soul • Fallen Hazmat • Fallen • Fallen Giant • Breaker2 • Breaker • Fallen Necromancer • Fallen Skeleton • Possessed Armor • Fallen Hero • Fallen Tank • Fallen Shield • Fallen Guardian • Breaker4 • Breaker3 • Champion Templar
Polluted Wasteland II Wastewalker • Wasterunner • Hazardous • Super Mutant • Breaker2 • Breaker • Lurker • Necromancer • Skeleton • Toxic • Corpse • Splitter • Split • Fleshling • Amalgamation • Circuit • Breaker4 • Breaker3 • Mutagenic Blight • Rusher • Super Slime • Goo • Abomination • Super Toxic • Warden • Necromancer King • Cursed Skeleton • Nuclear Guardian • Nuclear Monster
Badlands II Abnormal • Quick • Heavy • Skeleton • Elite Abnormal • Corpse • Fallen Skeleton • Breaker2 • Breaker • Husk • Giant Skeleton • Necromancer • Withered • Undead Miner • Breaker3 • Breaker4 • Hazard • Tank • Breaker4 • Breaker3 • Necrotic Skeleton • Tanker • Cavalry • Conjurer • Gunslinger
Pizza Party Abnormal • Quick • Heavy • Ghost • Scout • Breaker2 • Breaker • Citizen Plush • Shotgunner • Marionette • Clown • Knight • Monkey • Cobalt Guard • Commander • Sock Puppet • Balloon Kid • Minigunner • Mimic Umbra • Corpse • Breaker4 • Breaker3 • Voodoo Doll • Executioner • Reaper • Demon • Sin • Wox the Fox
Tutorial Normal • Speedy • Slow • Hidden
Headache Headquarters Toilet • Streamer • Chad • Metal Toilet • Ninja Toilet • Png Bot2 • Png Bot • Brick Man • Armored Toilet • Megatron Toilet • Pro Streamer • Arrow • Speedy Boss • Png Bot4 • Png Bot3 • Brute
Sandbox Exclusive Enemies
Legacy Molten Mode Normal • Speedy • Slow • Normal Boss • Hidden • Mystery • Necromancer • Molten • Slow Boss • Hidden Boss • Shock • Speedy Boss • Mystery Boss • Mystery Summoner • Molten Titan • Molten Boss
Golden Mode Abnormal • Quick • Heavy • Abnormal Boss • Shadow • Mystery • Dark Necromancer • Golden • Chained Boss • Shadow Boss • Charge • Tank • Mystery Boss • Boomer • Summoner Boss • 24 Karat • Gold Guard • Gold Titan
Legacy Fallen Mode Abnormal • Quick • Heavy • Abnormal Boss • Shadow • Mystery • Dark Necromancer • Fallen • Giant Boss • Shadow Boss • Glitch • Hazard • Tank • Mystery Boss • Boomer • Templar • Summoner Boss • Error • Fallen Hero • Fallen Guardian • Fallen King
Brain Rot Toilet • Streamer • Chad • Metal Toilet • Ninja Toilet • Png Bot2 • Png Bot • Brick Man • Armored Toilet • Megatron Toilet • Pro Streamer • Arrow • Png Bot4 • Png Bot3 • Toilet Boss
Other Slime • Dummy Boss • Imposter • Invisible • Lead • Lead Boss • Mega Slow • Fallen Reaper • Fallen Soul • Fallen Rusher • Fallen Titan • Lead Balloon • Slow King • Circuit • Speedy King • Warden • Health Cultist • Soul Stealer • Soul Boss • Necromancer Boss • Fallen Swordmaster • Unknown • Vindicator • Void Reaver
Event Enemies
The Heights Slow • Knight • Speedy • Normal • Boomer 1 • Stone Viking • Hidden • Normal Boss • Necromancer • Crystalite • Mystery • Brute • Fallen Hero • Swordmaster • Slow Boss
Area 51 Alien • Strong Alien • Zoomer • Hidden Zoomer • Lawnmower • UFO • Raider 1 • Raider 2 • Raider Boss
Nightmare Carnival Mummy • Strong Mummy • Scarecrow • Demon • Ghost • Vampire • Bat • Witch • Reaper • Clown • Frankenstein • Swamp Thing • Jaxe • Jack O' Bot
Village of Despair Frozen • Snowman • Gingerbread • Burnt Gingerbread • Deep Freeze • Papa Bread • Present • Yeti • Frost Tank • Frost Hero • Krampus
Eggy Island Zombegg • Sugrawr • Eggsplosive • Hunter • Bunny • Sir Hopsalot • Beehive • Grizzly • Ducky D00M
Trick or Threat Town Undead • Mummy • Bones • Ghost • Buried • Reanimated • Witch • Slime • Goo • Reaper • Hallow Bones • Vampire • Bat • Hallow Guard • Lord Sinister
Outpost 32
(Frost Invasion) 		Snowy • Frozen • Cold Mist • Packed Ice • Frost Mystery • Snow Golem • Snow Minion • Unstable Ice • Deep Freeze • Frost Invader • Frost Ravager • Crying Angel • Frost Necromancer • Frost Hero • Frost Spirit
Cyber City Normal • Speedy • Slow • Normal Boss • Hidden • Fey Yoshida
Solar Eclipse Event Rotfield Undead • Mummy • Bones • Scarecrow • Jaxe
Foggy Forest Shroogma • Overgrowth • Ghost • Wraith • Ent • Werewolf • Swamp Monster
Tower Outskirts Pike • Knight • Ghost • Cobalt Guard • Vampire • Bat • Wraith • Zombie Horse • Ent • Ghost Knight • Werewolf • Cursed Guard • Cursed Knight • Solar Shard • Lunar Shard • Dust • Penumbras
Totality Tower Pike • Knight • Clanker • Wraith • Cobalt Guard • Lunar Shard • Dust • Vampire • Bat • Solar Shard • Headless Jaxe • Mega Clanker • Ghost Knight • Cursed Guard • Cursed Horse • Flare • Lunar Shield • Solar Servant • Lunar Servant • The Umbra
D00M's Revenge Ducky • Cool Ducky • Fat Ducky • Spy Ducky • Mother Ducky • Cart • Eggroll • Flying Ducky • P3NGU • Operator Ducky • Agent Ducky • Explosive Ducky • Evil Ducky • Long Ducky • Ducky Unit • Ducky D00M
Cold Ambush Basic Elf • Speedy Elf • Gingerbread • Snowman • Snow Golem • Tough Cookie • Ripped Elf • Present3 • Present2 • Present • Sleigh • Cookie Guard • Bomber Elf • Evil Elf • Builder Elf • Toy Soldier • Gatekeeper • Papa Bread • Mecha-claus
Lunar Overture Event A Dark Tale Pumpkid • Overgrowth • Ghost • Scarecrow • Swamper • Citizen Plush • Knight • Cobalt Guard • Executioner
The Haunted Past Pumpkid • Skeleton • Mummy • Ghost • Witch • Scarecrow • Giant Skeleton • Frankenstein • Clown • Demon • Sin • Hallow Guard • Werewolf • Reaper • Jack-o-Bot
The Great Finale Actor1 • Citizen Plush • Knight • Actor2 • Cobalt Guard • Voodo Doll • Marionette • Executioner • Sock Puppet • Actor3 • Left Hand • Right Hand
Krampus Frosthold Basic Elf • Speedy Elf • Present • Bomber Elf • Snow Golem • Snowman • Gingerbread • Ripped Elf • Snowy • Frozen • Packed Ice • Crying Angel • Present2 • Tough Cookie • Cold Mist • Cookie Guard • Gatekeeper • Present3 • Papa Bread • Builder Elf • Toy Soldier • Sleigh • Evil Elf • Krampus
Huevous Hunt Korblox Seeker • Korblox Guard • Korblox Undead • Korblox Soul • Korblox Warrior • Redcliff Traitor • Korblox General • Korblox Deathwalker
The Classic Event Classic Candy Cane Lane Normal • Slow • Speedy • Hidden • Normal Boss • Breaker2 • Breaker • Redcliff Traitor • Slime • Slow Boss • Breaker4 • Breaker3 • Necromancer • Skeleton • Grave Digger
Classic Winter Korblox Seeker • Korblox Guard • Korblox Undead • Korblox Soul • Korblox Warrior • Breaker2 • Breaker • Redcliff Traitor • Slime • Necromancer • Skeleton • Korblox General • Breaker4 • Breaker3 • Korblox Deathwalker
Classic Forest Camp Speedy • Slow • Normal • Hidden • Normal Boss • Breaker2 • Breaker • Hidden Boss • Necromancer • Breaker4 • Breaker3 • Slow Boss • Slime • Grave Digger
Classic Island Chaos Korblox Guard • Korblox Seeker • Korblox Undead • Korblox Warrior • Korblox Soul • Necromancer • Skeleton • Slime • Redcliff Traitor • Korblox General • Breaker4 • Breaker3 • Breaker2 • Breaker • Korblox Deathwalker
Classic Castle Slow • Normal • Korblox Guard • Korblox Undead • Normal Boss • Korblox Seeker • Breaker2 • Breaker • Korblox Soul • Korblox Warrior • Hidden Boss • Hidden • Necromancer • Skeleton • Korblox General • Redcliff Traitor • Breaker4 • Breaker3 • Slow Boss • Korblox Deathwalker • Grave Digger • Fallen King • Fallen Guardian
Hexscape Event Failed Gateway Quick Pawn • Pawn • Brain Bound • Neuro Runner • Mind Shackled • Synaptic • Titus
The Nightmare Realm Hex Spawn • Hex Minion • Hex Wraith • Hex Revenant • Forsaken Skull • Hex Mimic • Hex Corpse • Upper Body • Rotting Terror • Blight Walker • Conjurer • Nightmarish Hulk • Hex's Maw • Conserver
Containment Hex Spawn • Hex Minion • Hex Wraith • Hex Revenant • Hex Corpse • Upper Body • Forsaken Skull • Hex Mimic • Blight Walker • Rotting Terror • Cursed Horror • Conjurer • Enigma • Eclipsed • Hex Drako • Corrupted Titus • Brain Bound • Neuro Runner • Nightmarish Hulk • Hex Weaver • Hex's Maw • Corrupted Conserver • Withered • Reaper • Primordial Drakobloxxer • Unknown Boss • Unknown Small
Pls Donate Noob • Guest • Troll • Trader • Dev • Cat • Breaker2 • Breaker • Slime • Necromancer • Skeleton • Alien • Breaker4 • Breaker3 • UFO • Corrupted Haz3mn
Outpost 32
(Operation I.C.E) 		Snowy • Frozen • Siege Engine • Packed Ice • Snow Minion • Snow Golem • Snowman • Cold Mist • Deep Freeze • Frost Hunter • Unstable Ice • Crying Angel • Frost Mystery • Frost Invader • Frost Mage • Frost Ravager • Frost Necromancer • Frost Undead • Frost Hero • Frost Spirit • Ice Beacon
Korblox Temple Korblox Seeker • Korblox Guard • Korblox Undead • Korblox Soul • Korblox Warrior • Redcliff Traitor • Fallen • Korblox General • Fallen Necromancer • Fallen Skeleton • Corpse • Korblox Necromancer • Fallen Honor Guard • Korblox Deathwalker
Bathroom Approach Ducky • Cool Ducky • Fat Ducky • Mother Ducky • Eggroll 1 • Eggroll 2 • Eggroll 3 • Agent Ducky • Spy Ducky • Flying Ducky • Evil Ducky • Explosive Ducky • Grandmother Ducky • Aged Eggroll 1 • Aged Eggroll 2 • Aged Eggroll 3 • Aged Eggroll 1 • Corpse • Chunky Ducky • Long Ducky • Elite Ducky • Operator Ducky • Missile Ducky • P3NGU • Ducky Unit • Mega Ducky • Ducky D00M III • Super Soldier Ducky • Nerd Ducky
Sk8 P4rk Noob Normal • Speedy • Slow • Normal Boss • Breaker2 • Breaker • Necromancer • Skeleton • Bolt • Speedy Boss • Slow Boss • Brute
Pro Speedy • Normal • Slow • Ghoul • Enraged • Armored • Breaker2 • Breaker • Reaver • Necromancer • Skeleton • Living Experiment • Hazmat • Failed Experiment • Slime • Patient Zero • Giant Boss
Master Abnormal • Quick • Heavy • Elite Abnormal • Breaker2 • Breaker • Molten • Corpse • Molten Golem • Elite Hazmat • Molten Necromancer • Molten Demon • Molten Hound • Breaker4 • Breaker3 • Molten Mech • Bulwark • Tanker • Elite Molten • Molten Executioner • Molten Summoner • Molten Warlord
Extreme Abnormal • Quick • Fallen Dreg • Corpse • Fallen Squire • Breaker2 • Breaker • Fallen • Fallen Giant • Fallen Hazmat • Possessed Armor • Fallen Necromancer • Fallen Skeleton • Corrupted Fallen • Fallen Hero • Fallen Shield • Breaker4 • Breaker3 • Fallen Rusher • Fallen Jester • Fallen Tank • Fallen Guardian • Fallen Honor Guard • Fallen Summoner • Necrotic Skeleton • Fallen King
Halloween 2025 Live Events Nulling • Corrupted Wraith • Hidden • Breaker2 • Breaker • Corrupted Terror • Necromancer • Skeleton • Null Beast • Corrupted Horror • Corrupted Blight Walker • Hidden Boss • Eclipsed • Corpse • Breaker4 • Breaker3 • Executioner • Actor1 • Actor2 • Actor3 • Enigma • Unknown Boss • Unknown Small • Corrupted Conserver • Mechanical Rot
Null & Void Event Outpost 16 Nulling • Null Runner • Null Dredge • Null Scout • Null Crook Boss • Null Goon • Lost Glitch • Null Freezer • Null Beast • Null Warden • Null Pyromancer • Null Commander • Null Missile APC
Banlands Null Runner • Nulling • Null Dredge • Null Shrieker • Null Scout • Lost Glitch • Null Crook Boss • Null Goon • Null Freezer • Null Medic • Null Electroshocker • Null Beast • Null Warden • Null Pyromancer • Null Guardian • Null Guardian Clone
Blind Faith Null Scout • Null Dredge • Lost Glitch • Null Runner • Nulling • Null Goon • Null Freezer • Null Shrieker • Null Crook Boss • Null Engineer • Null Sentry • Null Pyromancer • Null Warden • Null Pursuit • Null Electroshocker • Null Medic • Kronus • Null Beast • Null Brawler • Null Accelerator • Skeleton • Giant Skeleton • Executioner Skeleton • Hallow Guard • Null Necromancer • Gravestone • Rift Walker
The Narratorium Attendee • Fanatic • Sack Noob • Builder • Extra B • Extra A • Stunt Man • Stunt Man Double • Spectator • Spotlight • Security • Spindling • Stereo Man • Performer • Extra D • Extra C • Dancer • Projector • Producer • Actor1 • Actor2 • Actor3 • Painter • Narrator • MiniHand
Backyard Legends Event Backyard Beginnings Soccer Ball • Cleats • Boombox • Whistle • Soccer Head • Sports Drink • Duffle Bag • Corpse • Referee
Competition Court Soccer Ball • Cleats • Boombox • Corpse • Whistle • Soccer Head • Sports Drink • Duffle Bag • Referee • Soccer Speedy • Crowd Pleaser • Decoy • Soccer Goal
Victory Field Cleats • Soccer Ball • Boombox • Whistle • Soccer Head • Corpse • Sports Drink • Duffle Bag • Referee • Crowd Pleaser • Decoy • Soccer Goal • Goal Keeper • Felipe
Halloween 2026 Live Events Solar Shard • Corrupted Wraith • Corrupted Revenant • Cobalt Guard • Lunar Shard • Corrupted Terror • Necromancer • Skeleton • Corrupted Blight Walker • Null Electroshocker • Corrupted Horror • Null Engineer • Null Sentry • Voidling • Nightshade • Blighted • Elite Mystery • Elite Phantom • Void Floater • Void Reaper • Mandrake • Hefty • Odd • Swift • Void Titan • Actor2 • Actor3 • Actor1 • Enigma • Unknown Boss • Unknown Small • Big Titus • Null Accelerator • Void Portal • Void Brute
Solar Requiem Event Sorrowful Remains Dust • Lunar Shard • Solar Shard • Unstable Core • Huntress • Cobalt Guard • Meteorite • Trailblazer • Lunar Titan • Penumbras
Nightmare Flash Lunar Shard • Dust • Solar Shard • Cobalt Guard • Huntress • Unstable Core • Astral Spore • Cherub • Trailblazer • Meteorite • Comet • Moon Shade • Lunar Titan • Echo of Resentment
Legacy Enemies
Replaced Blighted • Boomer 1 • Necromancer 2 • Mystery 2 • Gravekeeper • Super Mystery • Ultra Mystery • Uber Mystery • Ninja • Frost Hero • Strong
Pre-MEGA Carrier • Swarm • Tank 2 • Boomer 2 • Controlled • Shrike Crystal • Rusted • Witch Doctor • Tombstone • Frozen • Deep Freeze • Frost Hero
Polluted Wasteland Radioactive • Wasted Boss • Amalgamation • Rusher • Splitter • Split • Nuclear Fallen King
Hidden Wave (Legacy) Glitched Giant • Bug • Bruh • SCT • Jaxe • Mechanical Rot • Frost Hero • Developer 1 • Developer 2 • Developer 3 • Creator • A • B • C
Other Void • First Form
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