Obsidian Conflict

    Players explore cooperative maps and play through Half-Life campaigns together.

    Obsidian Conflict Team

    Playing together

    Online co-op
    1 source
    Players in online co-op
    1 source
    Players online
    1 source
    How co-op works
    1 source
    Local co-op
    1 source
    Free to play
    1 source
    Plays like
    Not known yet
    Online versus, Online multiplayer, Best with, Crossplay, 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

    Obsidian Conflict is a free cooperative multiplayer Source Engine game set in the Half-Life 2 universe. It features a large amount of new gameplay features on all-new maps specially designed for Obsidian Conflict with focus on cooperative gameplay, as well as over hundred user-made maps following the same formula. In addition to that, you're able to play through vanilla Half-Life: Source all the way up to Episode 2.
    From IGDB

    Screenshots

    Why we rate it this way

    • The description does not explain specific game mechanics.
    IGDB, checked 1 Nov 2026Obsidian Conflict is a free cooperative multiplayer Source Engine game set in the Half-Life 2 universe. It features a large amount of new gameplay features on all-new maps specially designed for Obsidian Conflict with focus on cooperative gameplay, as well as over hundred user-made maps following the same formula. In addition to that, you're able to play through vanilla Half-Life: Source all the way up to Episode 2.

    Sources

    First listed 1 Nov 2026. Updated 1 Nov 2026.