Single-player games like Space Mechanic Simulator
Below are 15 single-player Steam games similar to Space Mechanic 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 Space Mechanic Simulator page.
Ranked picks
- 1
Space Crash Simulator
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
- 2
Astromental Incremental
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.
- 3
Archean
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
- 4
Tin Can
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
- 5
Kerbal Space Program
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
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.
- 6
Final Orbit
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Simulation with Space Mechanic Simulator.
Master the cockpit of highly realistic spacecraft in this Newtonian physics based sim. Take off from surface to space, plot a course between the planets and dock with space stations. Trade commodities or take shipping contracts to buy upgrades and optimize your build - every choice matters.
- 7
Take On Mars
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Simulation with Space Mechanic Simulator.
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.
- 8
SpaceEngine
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 9
Car Mechanic Simulator VR
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Simulation with Space Mechanic Simulator.
Become a real car mechanic in a very realistic, highly detailed simulator in a fully VR World. REPAIR, PAINT, TUNING with dozens of different tools and almost thousands of parts. BUY old vehicles, restore them, and SELL them at a profit. DRIVE and test all rebuilt cars.
- 10
303 Squadron: Battle of Britain
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
The enemies are close, would you dare to join the Squadron? Tweak planes in a 1st person mechanic mode, set the clouds on fire in aerial fights sim and discover extra missions in an open world of RAF Base. Enjoy a gameplay based on a real history and become the Ace of Sky.
- 11
Rally Mechanic Simulator
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Take your opportunity as a real Rally Mechanic. Overcome all the obstacles that the reckless racers throw at you - including unrepairable parts, time limitations and more. Take good care of your rally cars so that on the next special they will perform as good as if they came out of the factory.
- 12
Truck Mechanic: Dangerous Paths
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Perform complex repairs and maintenance to become the ultimate truck mechanic. Get behind the wheel of your truck, throw your trusty tools in the back, and set out on an extreme adventure across the South American wilderness!
- 13
Project Remedium
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie with Space Mechanic Simulator.
Project Remedium is a story-driven action shooter set inside a human body devastated by illness and bad circumstances. It's a post-apocalypse of sorts, a really tiny one, but for a nanobot named Nano+, the body is a whole world. So he is hell-bent on fixing it with his guns and a unique grapnel.
- 14
Truck Mechanic: Dangerous Paths - Prologue
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Truck Mechanic: Dangerous Paths - Prologue allows you to experience the events taking place before the story campaign of the main game. You will have to explore, fix, drive, deliver, repair, load, think, avoid, beware - simply be a truck driver.
- 15
Truck Mechanic: Dangerous Paths - First Mile
Single-player alternative to Space Mechanic Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Space Mechanic Simulator.
Every journey begins with a first mile. Transport cargo, repair your truck, and explore harsh South American landscapes in this free trial of Truck Mechanic: Dangerous Paths.