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Mark of Cain is a cursed, fast-paced retro FPS where you're immortal, hunted, and mocked by meme-fueled demons. No seasons, no BS just blood, jokes, and pure arena chaos. Solo dev btw
Linux · Mar 3, 2026
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Mar 3, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
41 achievements available.

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Kill everything that moves at level 1
LockedSteam

Find level 1 secrets
LockedSteam

Beat level 1 fast
LockedSteam

Beat level 1
LockedSteam

Kill everything that moves at level 2
LockedSteam

Find level 2 secrets
LockedSteam

Beat level 2 fast
LockedSteam

Beat level 2
LockedSteam

Kill everything that moves at level 3
LockedSteam

Find level 3 secrets
LockedSteam

are you blind you cant see me ?
LockedSteam

Beat level 3
LockedSteam

Kill everything that moves at level 4
LockedSteam

Find level 4 secrets
LockedSteam

Beat level 4 fast
LockedSteam

Beat level 4
LockedSteam

Kill everything that moves at level 5
LockedSteam

Find level 5 secrets
LockedSteam

Beat level 5 fast
LockedSteam

Beat level 5
LockedSteam

Kill everything that moves at level 6
LockedSteam

Find level 6 secrets
LockedSteam

Beat level 6 fast
LockedSteam

Beat level 6
LockedSteam

Kill everything that moves at level 7
LockedSteam

Find level 7 secrets
LockedSteam

Beat level 7 fast
LockedSteam

Beat level 7
LockedSteam

Kill everything that moves at level 8
LockedSteam

Find level 8 secrets
LockedSteam

Beat level 8 fast
LockedSteam

Beat level 8
LockedSteam

Kill everything that moves at level 9
LockedSteam

Find level 9 secrets
LockedSteam

Beat level 9 fast
LockedSteam

Beat level 9
LockedSteam

Start the game once!
LockedSteam
Community notes