Single-player games like Kerbal Space Program
Below are 15 single-player Steam games similar to Kerbal Space Program, 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 Kerbal Space Program page.
Ranked picks
- 1
Kerbal Space Program 2
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
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.
- 2
Take On Mars
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Simulation with Kerbal Space Program.
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.
- 3
Rocket Science
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Simulation with Kerbal Space Program.
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.
- 4
Juno: New Origins
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
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.
- 5
Space Engineers
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
- 6
SpaceEngine
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 7
Nimbatus - Drone Creator
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
- 8
Rover Mechanic Simulator
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
- 9
Oxygen Not Included
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
- 10
No Man's Sky
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 11
Satisfactory
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 12
Trailmakers
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
- 13
Stormworks: Build and Rescue
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Simulation with Kerbal Space Program.
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
- 14
Space
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required.
这是一个休闲小游戏，操纵一个球不要让它掉下去， 能走多远取决于你的手速...
- 15
Dwarf Fortress
Single-player alternative to Kerbal Space Program — playable solo, no multiplayer required. Shares Indie and Simulation with Kerbal Space Program.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.