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Survive relentless hordes in ZK1L4, a fast-paced bullet heaven! Choose unique characters, unleash powerful weapons, and master deadly skills. Play solo or team up in couch co-op to take on the chaos. Will you escape the swarm or become one with it?
Linux · Oct 23, 2025
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Oct 23, 2025
Worldwide · Exact date · Full release · IGDB
Catalog sources
21 achievements available.
Survive without acquiring any in-game passives
LockedSteam
Unlock all Guns
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Obtain 100.000 gold
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Kill 100.000 enemies
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Clear the game with 2 players
LockedSteam
Win a Scenario without being hurt once
LockedSteam
Survive and escape the City!
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Survive and escape the Graveyard!
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Surive and escape the Apartments!
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Survive and escape the Mall!
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Survive and escape the Lab!
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Survive without in game upgrades and melee/active items
LockedSteam
Hidden until unlockedSteam
Find all collectibles
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Show a Goliath who is the boss
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Max every pre game upgrade
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Use every active item to survive!
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Use every melee weapon to bash, slash and pounce Zs!
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Buy every in-game passive
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Unlock all characters
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Unlock all Character Skins
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Community notes
