Escape room meets co-op survival horror. The year is 1998, and an ancient curse has been unleashed, trapping everyone on Mount Bisik. Alone or with up to 4 players, you must explore, find clues, figure out a way to escape...and survive the horror.
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No game lists Whisper Mountain Outbreak as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
1923. You owe a gangster money. The answer is buried beneath Devil Reef — if the horrors lurking in the dark don’t claim your mind first. A Lovecraftian co-op roguelite for 1–4 players where your sanity is the real final boss.
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Unravel a thrilling sci-fi mystery in this action-packed twin-stick roguelite shooter. Select your load-out, stack up temporary and persistent upgrades, and delve into the depths of a subterranean base, either alone or in a group of up to 3 players.
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Play as a paranormal investigator in our hybrid between first person survival and psychological horror story game. Investigate a haunted forest with up to 5 players CO-OP, try to lift the curse, experience a tragic story and take decisions together. Will you survive or will you lose your soul?
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Cut through thousands of undead and survive until rescue. ZedFall: Outbreak is a co-op twin‑stick roguelite where levelling and evolving upgrade cards unleash chaotic builds. Fight to the chopper, hold the generator in Tower Defence, or Scavenge supplies. Play solo or with up to 7 of your friends.
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RIFTSTORM is a co-op PvE looter-shooter where squads of Weavers deploy to take on missions, fight escalating hordes, collect powerful weapons and resources, and extract.
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Internal Incident – a top-down survival horror extraction shooter. Explore the hidden corners of a vast facility in search of resources while fighting off terrifying creatures lurking in the dark. Unveil the secrets of the abandoned complex and do everything you can to make it out alive.
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Defend the base and gather energy!
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Escape a shifting maze alone or in 2–4 player online co-op. Recover real signals, avoid decoys, and repair your route out while distinct hunters close in. Answer the Barber's phone, keep the watched hunter in sight, and make it to the exit.
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In up to four player co-op, form a group of explorers searching for treasure. In this cursed jungle, danger is everywhere and monstrous creatures alter reality. Stay clear-headed and tame the jungle before it devours you…
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Brutal fast-paced isometric Co-op Loot Shooter in Cyberpunk world. Equipment-based combos. Exotic Weapons and Armor. Easy to start, hard to master. Play solo or with friends.
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