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 4.1% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
4.1%
of players earned "Hardcore Perfection"

Community Ratings

Loadingโ€ฆ
Difficultyโ€”
Easy โ†’ Brutal
Enjoymentโ€”
Meh โ†’ Loved it
Grindinessโ€”
No grind โ†’ Huge grind
Want to rate Cosmic Coliseum? Sign in with Steam โ€” one rating per person.
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All Cosmic Coliseum achievements

25 achievements
Hardcore Perfection
Hardcore Perfection
Unlock all achievements including Hardcore achievements
Ultra Rare4.1%
Perfection
Perfection
Unlock all achievements
Very Rare6.5%
Hardcore Boss 2
Hardcore Boss 2
Defeat the Boss in Hardcore Arena 2
Very Rare9.2%
Hardcore Boss 1
Hardcore Boss 1
Defeat the Boss in Hardcore Arena 1
Very Rare10.6%
Mutant
Mutant
Destroy the Alien Mutant
Very Rare11.9%
Pulse Grenade Launcher Mastery
Pulse Grenade Launcher Mastery
Beat the final boss with the pulse grenade launcher
Very Rare13.9%
Bolt Splitter Mastery
Bolt Splitter Mastery
beat the final boss with the bolt splitter
Rare17.0%
Dual Blaster Mastery
Dual Blaster Mastery
Beat the final boss with dual blasters
Rare21.3%
Victory
Victory
Escape the Coliseum
Rare22.3%
Homing Staff Mastery
Homing Staff Mastery
Beat the final boss with the homing staff
Rare24.2%
Quantum Disintegrator Mastery
Quantum Disintegrator Mastery
Beat the final boss with the quantum disintegrator
Rare25.3%
Laser SMG Mastery
Laser SMG Mastery
Beat the final boss with the laser SMG
Rare25.3%
Letalis Mastery
Letalis Mastery
Beat the final boss with Letalis
Rare25.6%
Quad-Barrel Shotgun Mastery
Quad-Barrel Shotgun Mastery
Beat the final boss with the quad-barrel shotgun
Rare26.0%
A Bit of Inspiration
A Bit of Inspiration
Provide the prisoner with some inspiration
Rare26.6%
A Good Meal
A Good Meal
Provide the prisoner with a good meal
Rare27.3%
Antimatter Battery
Antimatter Battery
Retrieve the antimatter battery
Rare27.8%
Fortis Mastery
Fortis Mastery
Beat the final boss with Fortis
Rare28.6%
Velox Mastery
Velox Mastery
Beat the final boss with Velox
Rare29.2%
Various Monster Parts
Various Monster Parts
Provide the prisoner with all of the required monster parts
Uncommon32.9%
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
Uncommon38.0%
Calidus Mastery
Calidus Mastery
Beat the final boss with Calidus
Uncommon40.1%
The Second Lock
The Second Lock
Open the second lock
Uncommon41.8%
The First Lock
The First Lock
Open the first lock
Common64.1%