Single-player games like Space Atlas: The Solar System
Below are 8 single-player Steam games similar to Space Atlas: The Solar System, 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 Space Atlas: The Solar System page.
Ranked picks
- 1
Solar System Simulator
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
Gravity and exploration sandbox
- 2
Orders of Magnitude
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
Have you ever wondered what the whole Universe looks like? With the myriad Galaxies, each containing billions of Stars, including our Solar System? Have you seen a Human Brain and its Neurons? DNA? What about the Electrons surrounding the tiny Atomic Nucleus? And what lies at even smaller scales?
- 3
Rover Mechanic Challenge - ERC Competition
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
𝗘𝗥𝗖 𝗥𝗼𝘃𝗲𝗿 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝗰 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 is an e-tournament based on the world's only simulator for repairing Mars Rovers. Take part in solving challenging tasks and become the master of leader board.
- 4
OVERVIEW (A Walk Through The Universe)
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
Overview is a mind-changing experience about our position in the Universe. With a narrative and an interactive mode, it features realistic imagery and accurate data to leave you in awe and wonder at the vastness of the Cosmos.
- 5
Rocket Science
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Simulation with Space Atlas: The Solar System.
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
- 6
Kerbal Space Program
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
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.
- 7
Reentry - A Space Flight Simulator
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
- 8
Universe Sandbox
Single-player alternative to Space Atlas: The Solar System — playable solo, no multiplayer required. Shares Indie and Simulation with Space Atlas: The Solar System.
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.