Single-player games like Juno: New Origins
Below are 11 single-player Steam games similar to Juno: New Origins, 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 Juno: New Origins page.
Ranked picks
- 1
Kerbal Space Program
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
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.
- 2
SpaceEngine
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 3
Archean
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
- 4
Rocket Science
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Simulation with Juno: New Origins.
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.
- 5
Reentry - A Space Flight Simulator
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
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
Flyout
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
Build and fly realistic aircraft. Use free-form fuselage and wing editor tools and tune your engines to recreate aircraft from any era or design your own.
- 7
Aviassembly
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Simulation with Juno: New Origins.
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
- 8
SimplePlanes
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
Build airplanes by snapping parts together, designing wing sections, and attaching engines. At any time, you can strap yourself into the cockpit and see how it flies with realistic physics. If you're not in the mood for building, over 100,000 airplanes are available to download for free.
- 9
SimplePlanes 2
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
SimplePlanes is back! Build planes, cars, or anything else using powerful procedural parts! Explore detailed environments with friends in multiplayer, cause chaos, or download 1,000,000 community crafts for free.
- 10
SimpleRockets
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
- 11
SimplePlanes VR
Single-player alternative to Juno: New Origins — playable solo, no multiplayer required. Shares Indie and Simulation with Juno: New Origins.
SimplePlanes VR is a flight sim with an ever-expanding collection of hand-crafted aircraft to download and fly for free. Airplanes, helicopters, cars, boats, and more are available and new crafts are added every day.