The undead never stop coming… but neither do you! ZK1L4 is a Left 4 Dead–style roguelike survival shooter where every run tells a different story. Fight through five handcrafted apocalypse scenarios, unlock devastating skills, and push forward toward a final escape… or die trying. Fast, brutal, and endlessly replayable: ZK1L4 blends cinematic zombie survival with roguelike progression and chaos . Think Left 4 Dead meets a bullet-heaven roguelite. 8 Survivors Choose from 8 unique survivors . 60+ Skills Stack 60+ active and passive skills to create broken, beautiful chaos: Critical hit builds Lifesteal monsters Summoners Explosive on-hit effects Run-defining synergies Your choices matter. Your build defines how you survive. 2 Players Couch Co-op Chaos Bring a friend, you’ll need them. Fight side by side in local 2-player co-op , combining builds, saving each other from the swarm, and turning desperate runs into heroic escapes. 5 Unique Scenarios Each map is a chapter in the apocalypse: Unique layouts Unique mechanics A clear narrative goal You’re not just surviving! you’re moving through a collapsing world toward the truth behind the outbreak. 30 Collectibles Discover 30 lore collectibles scattered across the world. Each one reveals what happened before and during the zombie apocalypse: survivors, experiments, betrayals, and the price of failure. The Enemies The swarm is endless… but not all zombies are equal. Face terrifying enemy types: Sneaky – Silent, deadly Fatty – Slow, but explosive Fast – Relentless hunters Tanky – Brutal damage sponges Goliath – A walking apocalypse And now… a new threat: The Golden Sir A rare elite enemy that drops powerful rewards if you can take it down. High risk. High reward. Total chaos.