Similar Games

Games like Half-Life: Decay2001

Discover games like Half-Life: Decay, with similar Shooter, Platform, Puzzle picks, related series, shared creators, and community taste signals.

These picks lean on Shooter and Platform, work from Valve, the Half-Life collection, plus Firetale player activity from reviews, lists, and logs.

  • Half-Life: Blue Shift

    Same series: Half-Life

  • Half-Life

    Same series: Half-Life

  • Half-Life: Opposing Force

    Same series: Half-Life

  • Half-Life 2: Episode One

    Same series: Half-Life

  • Half-Life: Uplink

    Same series: Half-Life

  • Black Mesa

    Shared genre tags: Shooter and Platform

  • Counter-Strike

    Shared genre tags: Shooter

  • Half-Life 2: Episode Two

    Same series: Half-Life