Single-player games like Relax In Space
Below are 8 single-player Steam games similar to Relax In Space, 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 Relax In Space page.
Ranked picks
- 1
SpaceEngine
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Relax In Space.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 2
Space Tourist
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Adventure and Simulation with Relax In Space.
Space Tourist is a chill, mechanic-lite, easy space exploration game designed for tired gamers who love to discover beautiful worlds without overwhelming systems or steep learning curves. Explore space. Land on new worlds. Plant flags. Take photos. Relax.
- 3
Black Hole Simulator
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Indie and Adventure with Relax In Space.
A simple black hole simulator.
- 4
Take On Mars
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Simulation with Relax In Space.
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
- 5
Kerbal Space Program
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Relax In Space.
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.
- 6
Archean
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Relax In Space.
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
- 7
Kerbal Space Program 2
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Relax In Space.
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
- 8
Juno: New Origins
Single-player alternative to Relax In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Relax In Space.
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.