Reactance

    Players duel as scientists in first-person fights, one against one or two against two.

    Studio of Eldingar

    Playing together

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

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

    How you talk

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

    About the game

    A first-person duelling game where every fighter is a scientist. Read your opponent's guard, then block, parry and strike back across ten arenas, from a station under a black hole to the inside of a living cell. Free to play, with rollback netcode, 2v2, Ranked and a Laboratory to meet in.
    From Steam

    Screenshots

    Sources

    First listed 1 Nov 2026. Updated 1 Nov 2026.