Single-player games like OM6N
Below are 8 single-player Steam games similar to OM6N, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like OM6N page.
Ranked picks
- 1
Hellbound
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Indie with OM6N.
Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!
- 2
Devilated
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Indie with OM6N.
Devilated is an ultraviolent RPG old-school shooter where you brutalize and cannibalize your demonic foes in equal measure. Eat their face before they eat yours.
- 3
Project Warlock
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Indie with OM6N.
Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.
- 4
Blood II: The Chosen + Expansion
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Adventure with OM6N.
Includes original Blood II: The Chosen and add-on package The Nightmare LevelsAn immersive atmosphere full of dark humor and exciting actionFour playable characters and wide variety of weapons
- 5
Trepang2
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Indie with OM6N.
Become the ultimate badass in Trepang2: A gory, action-packed FPS set in the near future. Unleash all hell on your enemies, dodge bullets and leave a trail of destruction in this hardcore and frenetic shooter.
- 6
CARNAGE OFFERING
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Adventure with OM6N.
Ultra fast-paced sci-fi FPS where you battle waves of robots and genetically engineered creatures. Upgrade your arsenal, unleash explosive physics, and survive relentless combat.
- 7
Serious Sam: Siberian Mayhem
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Adventure with OM6N.
Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
- 8
Bloodhound
Single-player alternative to OM6N — playable solo, no multiplayer required. Shares Action and Indie with OM6N.
Crush the cult of Astaroth and vanquish her hellspawn, make them squeal and hide where they came from. Enjoy a Fresh Look & Old Fun in this arcade horror FPS game inspired by the legends of the 90s.