There are two distinct games titled . One is a classic 1990 sci-fi RPG, and the other is a modern indie shooter released in 2025. Operation: Overkill (1990 Classic RPG)
: You can find it on retro gaming repositories like DOS Games Archive , which offers the game files and an option to play directly in your browser. Operation: Overkill (2025 Indie Game) Operation overkill Download PC Game
: It is a turn-based sci-fi RPG where players manage resources like "water crystals" and fight off alien invaders from the planet Hydrania. There are two distinct games titled
Set in the year 2060 after a nuclear war, this game follows scavengers living in an underground complex. Operation: Overkill (2025 Indie Game) : It is
: Available for both Windows (44 MB) and macOS (39 MB). Where to Download : The game is hosted on Itch.io . Related Modern Shooters
: Round-based gameplay where the losing team picks "upgrade cards" (like exploding bullets) to help with comebacks. Game 187: Operation: Overkill (1990) - The CRPG Addict