Single-player games like Cosmotroid
Below are 8 single-player Steam games similar to Cosmotroid, 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 Cosmotroid page.
Ranked picks
- 1
Motor Assailant
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action with Cosmotroid.
Fast-paced vehicular shooter. Drive a combat vehicle of your choice, shoot your way through multiple battlefields, fight giant bosses, dodge asteroids and witness cataclysmic events.
- 2
JACK STYLER
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Indie with Cosmotroid.
Former FBI agent and fishing enthusiast, faces an alien-zombie apocalypse after a virus escapes from NASA. Determined to rescue his wife, he defies the FBI and embarks alone to confront the threat. An epic rescue mission filled with action and suspense!
- 3
Invaders from the Third Dimension
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Indie with Cosmotroid.
A retro space shooter with a twist - now you can rotate your ship and aim diagonally at enemies, adding a whole new dimension to the shoot 'em up genre.
- 4
The Planetarian
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Indie with Cosmotroid.
A third-person bullet hell shooter with a run-and-build loop. Absorb incoming fire, slow time in Golden Time to strike glowing weak points, and rebuild your loadout each run with planet items, artifacts, and engravings as you fight across seven planets.
- 5
Alien Decimation
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Indie with Cosmotroid.
Destroy waves of UFOs in a arcade style space shooter with an array of powerful weaponry.
- 6
Dead Space
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Adventure with Cosmotroid.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 7
Star Control®: Origins
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Adventure with Cosmotroid.
Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.
- 8
Saints Row®: The Third™ Remastered
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Adventure with Cosmotroid.
The Full Package, Remastered – With enhanced graphics, improved lighting, reworked environments, and visual effects, Steelport and The Third Street Saints have never looked so good.