Single-player games like Return to Planet X
Below are 8 single-player Steam games similar to Return to Planet X, 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 Return to Planet X page.
Ranked picks
- 1
ALONE IN SPACE
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Adventure with Return to Planet X.
Experience an immersive sci-fi adventure. Walk in the footsteps of the ill-fated crew members of the Miranda station. Explore a world cloaked in mystery and danger, solve clever puzzles to help discover the questions that...
- 2
RIPOUT
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action with Return to Planet X.
Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.
- 3
Dead Space™ 2
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action and Adventure with Return to Planet X.
Three years after the Necromorph infestation aboard the USS Ishimura, Isaac Clarke awakens from a coma, confused, disoriented, and on a space station called The Sprawl. Explore this world and its zero-g environments to discover the truth about the Unitology and its role in the Necromorph epidemic.
- 4
Aliens: Colonial Marines Collection
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action with Return to Planet X.
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.
- 5
Black Mesa
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action and Indie with Return to Planet X.
Relive Half-Life.
- 6
Alien: Isolation
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action with Return to Planet X.
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
- 7
Dead Effect
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action and Indie with Return to Planet X.
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!
- 8
PLANET ALPHA
Single-player alternative to Return to Planet X — playable solo, no multiplayer required. Shares Action and Indie with Return to Planet X.
PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.