Lost Vessel

    Players build up an idle sci-fi RPG character and fight a server-wide world boss, solo, in co-op or in faction raids.

    Developer unknown

    Playing together

    Online co-op
    1 source
    Free to play
    1 source
    Early access
    1 source
    Not known yet
    Online versus, Online multiplayer, 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

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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

    Idle sci-fi RPG where combat actually matters. Crash-landed on an alien world, you rebuild through five skills, melee/ranged/void-magic combat, and a server-wide world boss. Progress keeps going while you're AFK. Solo, co-op, or faction raids. Free to play. No pay-to-win.
    From IGDB

    Screenshots

    Why we rate it this way

    • 73% positive from 89 Steam reviews.
    Steam, checked 1 Nov 2026Num reviews: 1Review score: 6Review score desc: Mostly PositiveTotal positive: 65Total negative: 24Total reviews: 89{"num_reviews":1,"review_score":6,"review_score_desc":"Mostly Positive","total_positive":65,"total_negative":24,"total_reviews":89}

    Sources

    First listed 1 Nov 2026. Updated 1 Nov 2026.