Top similar games like PolygonDuty:

Survive the Hill is an asymmetrical multiplayer/co-op survival experience that supports Solo and 4/8-player options and AI versus scenarios. Blow up the exit areas with your aim to escape. Look for ways to defeat the killer, build your strategy, never wander alone.

A new, immersive Backrooms game featuring many entities and many levels.

Zcrew is a roguelike game that supports up to 4 players playing co-op online. In the latest “Full Frontal Fire” update, you‘ll be able to utilize the new automatic firing system to reign the battlefield with lightning and missiles. Collect resources, modify your weapon，and dominate the battlefield.

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"Nightmare: Origins" is a multiplayer horror game for four players that immerses you in a nightmarish world between the realm of the dead and the realm of the living.Do you dare to face your fears and unravel the mysteries of Nightmare: Origins?

online multiplayer game, kill zombie and win others to get new items.

BLACK SITE is a 1-4 player co-op horror game. Explore the levels with your partner to gather info about some government experiments, while trying to communicate with your partner without being too loud. Free monthly content updates with new levels.

Cooperative game for 1–4 players. Embark on government missions in the most dangerous zones, complete contracts, explore anomalous locations, and hold back the monster onslaught.

CoopRooms is a co-op survival horror game for up to 5 players, set in the endless Backrooms. Take photos and videos to progress—and maybe survive. Just don’t scream... the Entities are listening.

Hide and escape from demonic dolls in an abandoned hospital building. Demon dolls will seek out and chase the player. The only way to escape is to complete the ritual successfully. A small doll wanders around the hospital. Catch them and offer them to your ritual.

Skibidi Gyatrooms is a 1-4 player co-op horror game. You and the homies just fell into the Backrooms, you must out-GYAT the Skibidi Toilet with max rizz or get flushed. Expect cursed levels, and brainrot that’ll keep you on edge.

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.

Explore the surreal dreamworld of the in:Between, face grotesque Atrocities, and rescue lost Hollows in this bizarre blend of cozy and horror. Play solo or with friends in this co-op survival horror, where twisted terrors and unpredictable gameplay keep you on your toes.

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Step into the darkness, where something relentless lurks. The monster is no mindless predator—it watches, it waits, it learns. Silence is survival. A single misstep, a whisper too loud, and you become prey. No second chances. No mercy. Work together, claw your way toward escape... or die trying.