Single-player games like Space.iZ
Below are 8 single-player Steam games similar to Space.iZ, 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.iZ page.
Ranked picks
- 1
Stellar Harvest
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
Harvest energy across the solar system. Build generators on alien worlds, prestige for Dark Energy, and construct a Dyson Sphere around the Sun. Ten planets. Infinite power. One way home.
- 2
I.T.C.B - Interstellar Trade Compliance Bureau
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
You've been abducted. The aliens picked you by lottery. Now run their trade terminal: manage resources you don't understand, sell on the galactic market, keep an entire populace happy, and slowly climb a bureaucratic corporate ladder that does not entirely make sense.
- 3
Skyline Airways
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
Build and manage your own airline. Purchase aircraft, plan routes, set ticket prices, customize onboard services, and navigate an ever-changing aviation market where every decision affects your profits.
- 4
3D Print Shop Simulator
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
Start your own desktop manufacturing empire! Manage 3D printers, buy colorful filament, and dial in the perfect settings. Fulfill custom orders, physically stock your shop's shelves for walk-in customers, and even import your own .obj files to print and sell in-game!
- 5
Arcade Cafe Simulator
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
Run and manage your own arcade entertainment hall. Start with a small gaming space and expand it into a lively destination filled with arcade machines, gaming rooms. Decorate the venue, maintain machines, hire staff for repairs and service, and run a snack kiosk to keep customers happy.
- 6
Intergalactic Storage Clearance
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
In this light-hearted adventure, you must outwit competitors in bidding wars to secure storage containers scattered across alien worlds. The objective is to uncover valuable objects hidden within them and turn a profit by selling them on the intergalactic market.
- 7
Galactic Pit Stop Simulator
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Indie and Simulation with Space.iZ.
Run the busiest fuel station on the edge of known space. Refuel incoming ships, trade goods in your market and hangar, upgrade your station, and keep travelers happy — solo or with up to 3 friends in online co-op. Build the ultimate galactic pit stop.
- 8
Mars Rapid Transit
Single-player alternative to Space.iZ — playable solo, no multiplayer required. Shares Simulation with Space.iZ.
Train tycoon game set on Mars. Engineer a fast and efficient train network, build a thriving business and grow a dynamic economy.