Single-player games like Xenoform
Below are 10 single-player Steam games similar to Xenoform, 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 Xenoform page.
Ranked picks
- 1
Rebel Galaxy Outlaw
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action and Simulation with Xenoform.
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
- 2
Kerbal Space Program
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Simulation with Xenoform.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 3
Universe Sandbox
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Simulation and Casual with Xenoform.
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
- 4
Elite Dangerous
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action and Simulation with Xenoform.
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
- 5
Dead Space™ 2
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action with Xenoform.
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.
- 6
Descent 3
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action with Xenoform.
The vertigo continues as the highly anticipated sequel to Descent I and II takes the mind-bending, pulse-pounding experience to another level!
- 7
SPORE™
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action and Simulation with Xenoform.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
- 8
Starpoint Gemini 2
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action and Simulation with Xenoform.
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
- 9
Crash Dive 2
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Action and Simulation with Xenoform.
WWII Tactical submarine combat in the South Pacific
- 10
Crash Dive
Single-player alternative to Xenoform — playable solo, no multiplayer required. Shares Simulation and Casual with Xenoform.
WWII tactical submarine combat! Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a daring night attack.