Single-player games like Spaceflight Simulator 2
Below are 8 single-player Steam games similar to Spaceflight Simulator 2, 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 Spaceflight Simulator 2 page.
Ranked picks
- 1
Meco Rocket Simulator
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Simulation with Spaceflight Simulator 2.
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
Rocket Science
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Simulation with Spaceflight Simulator 2.
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.
- 3
Soyuz Constructors
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Spaceflight Simulator 2.
Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.
- 4
Kerbal Space Program
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Spaceflight Simulator 2.
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.
- 5
RemoteSpace: First Settlement
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Simulation with Spaceflight Simulator 2.
A hard-sci-fi orbital settlement sim where you mine asteroids, build infrastructure, fight enemy, and operate inside a living solar system shaped by orbital mechanics, limited information, and long-distance logistics.
- 6
Project Longshot
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Spaceflight Simulator 2.
Launch from a familiar world into a 1:1 scale solar system of beautiful, unforgiving planets. Colonise, mine, and explore real places that people may walk upon within your lifetime. Project Longshot hands you a space program and asks only one question. How far can your program go?
- 7
Terapixel Mars
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Spaceflight Simulator 2.
Terapixel Mars is a real-time planetary experience that lets you traverse the Red Planet seamlessly from orbit down to the surface. Powered by the Terapixel engine, Mars is stored in the cloud and streamed to your system, enabling a level of scale and immersion unmatched by any existing experience.
- 8
Rocket Engineer
Single-player alternative to Spaceflight Simulator 2 — playable solo, no multiplayer required. Shares Simulation with Spaceflight Simulator 2.
Design custom rockets and master 2D orbital mechanics to navigate a fully simulated solar system. Establish outposts, process local resources to launch interplanetary missions, and manage critical supply lines to keep your colony's workforce alive.