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Black Iron, a state-of-the-art penitentiary located on Jupiter’s icy moon Callisto, is overrun with hordes of infected inmates. As a modest prison guard your job is simple – get to the last escape pod and get out alive.

But you aren’t the only survivor looking to escape. Your rivals – a deranged custodian, a violent gangster, a maniacal lunch lady, and more – can’t wait to step over your corpse and save themselves.

Only one of you can make it off the moon – make sure it’s you!

Each death is a learning experience. Starting fresh each run, build up your loadout with powerful experiments, weapon schematics, and buffs to battle through Black Iron. When you die (and you will die), use your hard-earned loot to purchase new permanent weapons, suits, and sk...