Single-player games like Rocket Simulator
Below are 8 single-player Steam games similar to Rocket Simulator, 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 Simulator page.
Ranked picks
- 1
Starship Simulator
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Simulation with Rocket Simulator.
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.
- 2
Periapsis: Gravity Slingshot
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Rocket Simulator.
Lead humanity’s final journey beyond Earth. Launch ships, harness gravity slingshots, and explore distant star systems to make humanity multi-planetary.
- 3
Avorion
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Rocket Simulator.
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
- 4
Evochron Mercenary
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Rocket Simulator.
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
- 5
Starpoint Gemini 2
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Simulation with Rocket Simulator.
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
- 6
Starpoint Gemini Warlords
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Simulation with Rocket Simulator.
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
- 7
Flight Of Nova
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Simulation with Rocket Simulator.
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
- 8
PULSAR: Lost Colony
Single-player alternative to Rocket Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Rocket Simulator.
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits