Biohazard Protocol

    Players explore procedurally generated underground facilities together, recovering loot while surviving monsters.

    jokerpony

    Playing together

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

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    How you talk

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

    About the game

    Every expedition is a gamble. Explore procedurally generated underground facilities, recover valuable loot, survive unique monsters, and escape before it's too late.
    From Steam

    Screenshots

    Why we rate it this way

    • Too few player or critic reviews to judge quality yet.
    • 100% positive from 3 Steam reviews.
    Steam, checked 1 Nov 2026Num reviews: 1Review score: 0Review score desc: 3 user reviewsTotal positive: 3Total negative: 0Total reviews: 3{"num_reviews":1,"review_score":0,"review_score_desc":"3 user reviews","total_positive":3,"total_negative":0,"total_reviews":3}

    Sources

    First listed 1 Nov 2026. Updated 1 Nov 2026.