What games are like Kerbal Space Program?

The best games like Kerbal Space Program on Steam right now include Oxygen Not Included, Space Haven, The Last Starship. They share Kerbal Space Program's genre and gameplay (Space, Simulation, Sandbox) and are ranked using live Steam similarity and current follower momentum, updated daily.

How are these similar games chosen?

Each game is scored by how many Steam genres and gameplay modes it shares with Kerbal Space Program, plus a bonus for the same developer, then tie-broken by how fast it is gaining Steam followers right now.

Games Like Kerbal Space Program (2026)

The best similar games on Steam — matched by shared genre and gameplay, with a reason for every pick.

Updated daily · July 17, 2026

Looking for games like Kerbal Space Program? The closest matches on Steam right now are Oxygen Not Included, Space Haven, The Last Starship — chosen by shared genre and gameplay (Space, Simulation, Sandbox) and ranked by how fast each is currently gaining followers. Full ranked list of 12 below, each with why it's a match.

Best games similar to Kerbal Space Program

#	Game	Genre	Shared with Kerbal Space Program
1	Oxygen Not Included	Indie	Sci-fi, Open World, Space, Exploration
2	Space Haven	Indie	Sci-fi, Open World, Space, Exploration
3	The Last Starship	Indie	Sci-fi, Space, Science, Exploration
4	Garry's Mod	Casual	Funny, Comedy, Exploration, Moddable
5	Elite Dangerous	Action	Sci-fi, Space, Open World, Exploration
6	Satisfactory	Adventure	Sci-fi, Open World, Exploration, Sandbox
7	RimWorld	Indie	Sci-fi, Space, Open World, Moddable
8	Scrap Mechanic	Action	Open World, Funny, Moddable, Physics
9	Don't Starve	Adventure	Open World, Exploration, Moddable, Difficult
10	Dyson Sphere Program	Indie	Sci-fi, Open World, Space, Space Sim
11	SpaceEngine	Casual	Sci-fi, Space, Open World, Science
12	Prehistoric Kingdom	Indie	Sci-fi, Science, Sandbox, Building

Why these are like Kerbal Space Program

1. Oxygen Not Included

Both are tagged sci-fi, open world, space; both offer single-player. Oxygen Not Included is a space-colony simulation game.

2. Space Haven

Both are tagged sci-fi, open world, space; both offer single-player. Embark on a space voyage with your ragtag crew of civilians in search of a new home.

3. The Last Starship

Both are tagged sci-fi, space, science; both offer single-player. The Last Starship is a 2D space construction game where you design and upgrade your starship.

4. Garry's Mod

Both are tagged funny, comedy, exploration; both offer single-player. Garry's Mod is a physics sandbox.

5. Elite Dangerous

Both are tagged sci-fi, space, open world; both offer single-player. Take control of your own starship and blaze your trail in an ever-changing galaxy.

6. Satisfactory

Both are tagged sci-fi, open world, exploration; both offer single-player. Satisfactory is a first-person open-world factory building game with a dash of exploration and combat.

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