Cosmic Coliseum

Cosmic Coliseum

25 achievements
Ultra Rareร—1
Very Rareร—5
Rareร—13
Uncommonร—5
Commonร—1

About Cosmic Coliseum's achievements

Cosmic Coliseum has 25 Steam achievements, 1 of them ultra-rare โ€” unlocked by under 5% of players. The rarest is "Hardcore Perfection", earned by just 4.0% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
4.0%
of players earned "Hardcore Perfection"

Community Ratings

No ratings yet
Difficultyโ€”
Easy โ†’ Brutal
Enjoymentโ€”
Meh โ†’ Loved it
Grindinessโ€”
No grind โ†’ Huge grind
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All Cosmic Coliseum achievements

25 achievements
Hardcore Perfection
Hardcore Perfection
Unlock all achievements including Hardcore achievements
Ultra Rare4.0%
Perfection
Perfection
Unlock all achievements
Very Rare6.5%
Hardcore Boss 2
Hardcore Boss 2
Defeat the Boss in Hardcore Arena 2
Very Rare8.8%
Hardcore Boss 1
Hardcore Boss 1
Defeat the Boss in Hardcore Arena 1
Very Rare10.1%
Mutant
Mutant
Destroy the Alien Mutant
Very Rare11.3%
Pulse Grenade Launcher Mastery
Pulse Grenade Launcher Mastery
Beat the final boss with the pulse grenade launcher
Very Rare13.8%
Bolt Splitter Mastery
Bolt Splitter Mastery
beat the final boss with the bolt splitter
Rare17.1%
Dual Blaster Mastery
Dual Blaster Mastery
Beat the final boss with dual blasters
Rare21.1%
Victory
Victory
Escape the Coliseum
Rare22.1%
Homing Staff Mastery
Homing Staff Mastery
Beat the final boss with the homing staff
Rare24.0%
Laser SMG Mastery
Laser SMG Mastery
Beat the final boss with the laser SMG
Rare24.9%
Quantum Disintegrator Mastery
Quantum Disintegrator Mastery
Beat the final boss with the quantum disintegrator
Rare25.3%
Letalis Mastery
Letalis Mastery
Beat the final boss with Letalis
Rare25.5%
Quad-Barrel Shotgun Mastery
Quad-Barrel Shotgun Mastery
Beat the final boss with the quad-barrel shotgun
Rare25.8%
A Bit of Inspiration
A Bit of Inspiration
Provide the prisoner with some inspiration
Rare26.5%
A Good Meal
A Good Meal
Provide the prisoner with a good meal
Rare27.1%
Antimatter Battery
Antimatter Battery
Retrieve the antimatter battery
Rare27.6%
Fortis Mastery
Fortis Mastery
Beat the final boss with Fortis
Rare28.5%
Velox Mastery
Velox Mastery
Beat the final boss with Velox
Rare29.1%
Various Monster Parts
Various Monster Parts
Provide the prisoner with all of the required monster parts
Uncommon32.7%
Plama Rifle Mastery
Plama Rifle Mastery
Beat the final boss with the plasma rifle
Uncommon36.1%
The Third Lock
The Third Lock
Open the third lock
Uncommon37.9%
Calidus Mastery
Calidus Mastery
Beat the final boss with Calidus
Uncommon40.0%
The Second Lock
The Second Lock
Open the second lock
Uncommon41.6%
The First Lock
The First Lock
Open the first lock
Common64.1%