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.
Join the Planetarian, guardian of the World Tree, on an epic journey to protect various planets. Experience intense third-person shooter gameplay with bullet hell elements. Battle diverse enemies across seven visually stunning planets and collect equipment infused with planetary energy.
- 5
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.
- 6
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.
- 7
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.
- 8
Dead Space (2008)
Single-player alternative to Cosmotroid — playable solo, no multiplayer required. Shares Action and Adventure with Cosmotroid.
You are Isaac Clarke, an engineer on the spacecraft USG Ishimura. You're not a warrior. You're not a soldier. You are, however, the last line of defense for the remaining living crew.