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Undead fortress is a simple and pure first-person shooter game that tests players' shooting reflexes and upgrade combinations.Players take on the role of a survivor in a post-apocalyptic world, constantly fighting against the pursuit of bio-armies and zombie waves.
PC (Microsoft Windows) · Sep 8, 2025
Worldwide · Exact date · Full release · IGDB
Catalog sources
9 achievements available.

DEATH 3X
LockedSteam

Win a game on easy difficulty
LockedSteam
Win a game on map02 on easy difficulty
LockedSteam

Win a game on hard difficulty
LockedSteam
Win a game on map02 on hard difficulty
LockedSteam

KILL 8 Bioroids
LockedSteam

Win a game on normal difficulty
LockedSteam
Win a game on map02 on normal difficulty
LockedSteam

Kill 15 zombies
LockedSteam
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