Single-player games like Skyos
Below are 8 single-player Steam games similar to Skyos, 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 Skyos page.
Ranked picks
- 1
Lunar Odyssey
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation and Early Access with Skyos.
Don your xEMU Spacesuit, explore the Orontius Crater, and Lunar Module in an immersive first-person VR experience with out of this world accuracy and interaction. Follow real-life procedures, launch the Apollo-era Lunar Module, play Space Golf, and experience the moon like never before.
- 2
Astro VR
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation with Skyos.
Freely travel among the stars and planets in this made for VR astronomy simulation. Experience space from some of the smallest solar system bodies to our largest planets. Or leave the solar system to explore strange new worlds orbiting stars so distant it takes light thousands of years to get here.
- 3
Space Crash Simulator
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation with Skyos.
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
- 4
3D Solar System Simulator
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation with Skyos.
This is a simulation based upon real physics. Its specifically for use with 3D headsets such as the HTC Vive and Oculus quest. It gives you a 3D perspective of how gravity works and interacts on all the bodies in a solar system. You can experiment with creating your own solar system.
- 5
Macht: Cosmic Engine
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation and Early Access with Skyos.
Macht is a 1:1 scale, real physics-based cosmic simulator. Code and manage your own universe simulation; the destiny of all living beings is in your hands.
- 6
PlanetMars3D: Spirit Mission
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation with Skyos.
Explore Mars in 3D through real Pancam photographs from NASA's Spirit rover. Glide between images with detail that sharpens as you approach, and skim thousands of rover photos at a glance — manual mode, slideshow, or automated flythrough. Photo credit: JPL / NASA / Cornell / ASU
- 7
Enter The Moon
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation with Skyos.
Space simulation moon game. Explore the moon, mars, venus and mercury in breathtaking real-time 3D. Explore their geological aspects. Battle against spaceships or a secret lunar base. Enter the ISS. Measure the moon. And get in the cockpit.
- 8
Time Dilation Lab
Single-player alternative to Skyos — playable solo, no multiplayer required. Shares Simulation with Skyos.
An easy to use, fully adjustable space lab with Einstein's special relativity equations in a three-spacecraft configuration. Play around with time dilation and relativistic Doppler effects in space at your own pace. Multiple viewpoints in 3D, real-time, with data export functionality.