Radioactive Inc.

    Players explore a deserted nuclear research complex across 20 levels of horrors and secrets, in groups of one to four.

    45DK · published by Devotion Labs

    Playing together

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

    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

    RADIOACTIVE, INC. invites you to the decaying, dangerous halls of a deserted nuclear research complex. Face your fears across 20 unique levels, each filled with new horrors, secrets, and challenges. 1- 4 player
    From IGDB

    Why we rate it this way

    • 57% positive from 30 Steam reviews.
    Steam, checked 1 Nov 2026Num reviews: 1Review score: 5Review score desc: MixedTotal positive: 17Total negative: 13Total reviews: 30{"num_reviews":1,"review_score":5,"review_score_desc":"Mixed","total_positive":17,"total_negative":13,"total_reviews":30}

    Sources

    First listed 1 Nov 2026. Updated 1 Nov 2026.