Whisper Mountain Outbreak

    Up to four players fight waves of monsters and solve puzzles to escape a cursed mountain together.

    Toge Productions

    Playing together

    Online co-op
    1 source
    Online multiplayer
    1 source
    Players in online co-op
    1 source
    One copy is enough
    1 source
    Demo
    1 source
    Early access
    Confirmed
    Not known yet
    Online versus, Players online, Best with, How co-op works, Crossplay, Local co-op, Multiplayer through mods, Free to play, Plays in browser, Playtest

    Hover, focus or tap a fact to see where it came from.

    How you talk

    Not known yet
    Plays without voice or typing, Wordless tools, Public matchmaking, Friendly with strangers

    About the game

    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.
    From Steam

    Screenshots

    Why we rate it this way

    • 85% positive from 2,678 Steam reviews.
    Steam, checked 1 Nov 2026Num reviews: 1Review score: 8Review score desc: Very PositiveTotal positive: 2275Total negative: 403Total reviews: 2678{"num_reviews":1,"review_score":8,"review_score_desc":"Very Positive","total_positive":2275,"total_negative":403,"total_reviews":2678}

    Sources

    First listed 1 Nov 2026. Updated 3 Nov 2026.