Single-player games like Rocket Science
Below are 11 single-player Steam games similar to Rocket Science, 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 Rocket Science page.
Ranked picks
- 1
Juno: New Origins
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation with Rocket Science.
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.
- 2
Universe Sandbox
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation and Early Access with Rocket Science.
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.
- 3
Mars Horizon
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Strategy and Simulation with Rocket Science.
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
- 4
SpaceEngine
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation and Early Access with Rocket Science.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 5
Reentry - A Space Flight Simulator
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Strategy and Simulation with Rocket Science.
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.
- 6
Take On Mars
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation with Rocket Science.
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.
- 7
Spaceflight Simulator
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation and Early Access with Rocket Science.
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
- 8
Solar Expanse - Space Exploration Manager
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Strategy and Simulation with Rocket Science.
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
- 9
Kerbal Space Program
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation with Rocket Science.
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.
- 10
Kerbal Space Program 2
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation and Early Access with Rocket Science.
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.
- 11
Spreadstorm
Single-player alternative to Rocket Science — playable solo, no multiplayer required.
Spreadstorm is a puzzle adventure game in which you control an analog signal and try to beat a mystery opponent by using logic, planning and reaction.