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
Meco Rocket Simulator
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation and Early Access with Rocket Science.
Meco Rocket Simulator is a realistic physics game where you play as an underpaid rocket scientist working for Mecodyne to design and test rocket engines without regard for your safety.
- 2
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.
- 3
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.
- 4
StarbaseSim
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Simulation and Early Access with Rocket Science.
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
- 5
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.
- 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
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.
- 8
X3: Terran Conflict
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Strategy and Simulation with Rocket Science.
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
- 9
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.
- 10
Juno 06
Single-player alternative to Rocket Science — playable solo, no multiplayer required. Shares Strategy with Rocket Science.
Complete fast turn-based battles in any order you like as you rise to the top in a psychic battle arena on the moon.
- 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.