Single-player games like Rover Mechanic Simulator: Training Day
Below are 8 single-player Steam games similar to Rover Mechanic Simulator: Training Day, 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 Rover Mechanic Simulator: Training Day page.
Ranked picks
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Rover Mechanic Simulator
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Indie and Simulation with Rover Mechanic Simulator: Training Day.
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.
- 2

Take On Mars
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Simulation with Rover Mechanic Simulator: Training Day.
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

PlanetMars3D: Spirit Mission
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Indie and Simulation with Rover Mechanic Simulator: Training Day.
Explore Mars in 3D through real Pancam photographs from NASA's Spirit rover. Glide between images with detail that sharpens as you approach, and skim thousands of rover photos at a glance — manual mode, slideshow, or automated flythrough. Photo credit: JPL / NASA / Cornell / ASU
- 4

Enter The Moon
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Simulation with Rover Mechanic Simulator: Training Day.
Space simulation moon game. Explore the moon, mars, venus and mercury in breathtaking real-time 3D. Explore their geological aspects. Battle against spaceships or a secret lunar base. Enter the ISS. Measure the moon. And get in the cockpit.
- 5

Meco Rocket Simulator
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Simulation with Rover Mechanic Simulator: Training Day.
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.
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Rover Mechanic Challenge - ERC Competition
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Indie and Simulation with Rover Mechanic Simulator: Training Day.
𝗘𝗥𝗖 𝗥𝗼𝘃𝗲𝗿 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝗰 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 is an e-tournament based on the world's only simulator for repairing Mars Rovers. Take part in solving challenging tasks and become the master of leader board.
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Mars Horizon
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Indie and Simulation with Rover Mechanic Simulator: Training Day.
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
- 8

Kerbal Space Program
Single-player alternative to Rover Mechanic Simulator: Training Day — playable solo, no multiplayer required. Shares Indie and Simulation with Rover Mechanic Simulator: Training Day.
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.