Single-player games like MoonScape
Below are 8 single-player Steam games similar to MoonScape, 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 MoonScape page.
Ranked picks
- 1

Von Neumann Project
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Simulation with MoonScape.
Von Neumann Project is about a self replicating probe as it charts the galaxies, peacefully of course. Mine, build, expand, and explore in this sci-fi RTS. Remember to have as little impact on your surroundings as possible and protect yourself at all costs.
- 2

Starship Colony
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Indie with MoonScape.
A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.
- 3

Astro Mining
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Indie with MoonScape.
Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.
- 4

Lord Of Anatolia
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Indie with MoonScape.
Lead a 14th-century Anatolian tribe from a small camp to a great Sancak. Build your dynasty, manage characters with real personalities, survive seasons and raids — a deep colony management game. Made solo over 2 years.
- 5

Space Drilling Station
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Simulation with MoonScape.
In Space Drilling Station, manage a drilling station on a distant planet. Build a multi-level vertical structure to produce and manage your resources and staff, in order to dominate the competition!
- 6

Facrobry
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Indie with MoonScape.
Facrobry is a strategy-simulator in which you will manage an automated robot production station. Research upgrades, assemble robots, and send them into battle!
- 7

Mars Attracts
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Simulation with MoonScape.
Mars Attracts is a park management sim set in the iconic universe of Mars Attacks™. Play as the devious Martians as you construct detailed enclosures, manage staff, and most importantly - abduct and experiment on humans for the entertainment of your Martian guests!
- 8

SpaceSlog
Single-player alternative to MoonScape — playable solo, no multiplayer required. Shares Strategy and Indie with MoonScape.
Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This game features simulated ship systems and a lived in universe which creates a challenging, unique and unforgettable experience with every playthrough.