What'Sub

    Players crew a rusty pirate submarine together, dodging disasters and hauling coffee home.

    Khaos Games

    Playing together

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

    Work together as a pirate crew and plunder coffee across the oceans! Hold your (t)rusty submarine together, dodge disasters, fight dangers, and finally get the black gold home! Play this co-op action game with up to 4 players and try become the mightiest pirates of the underseas!
    From IGDB

    Screenshots

    Why we rate it this way

    • 71% positive from 49 Steam reviews.
    Steam, checked 1 Nov 2026Num reviews: 1Review score: 6Review score desc: Mostly PositiveTotal positive: 35Total negative: 14Total reviews: 49{"num_reviews":1,"review_score":6,"review_score_desc":"Mostly Positive","total_positive":35,"total_negative":14,"total_reviews":49}

    Sources

    First listed 1 Nov 2026. Updated 1 Nov 2026.