Single-player games like Planet Scanner
Below are 13 single-player Steam games similar to Planet Scanner, 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 Planet Scanner page.
Ranked picks
- 1

Elon Simulator - Spend Like A Trillionaire
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie with Planet Scanner.
Elon Simulator is an immersive Trillionaire Simulator with TONS of fun mechanics and activities. As Elon, you can: Smoke Weed (a lot), Print your own Money, Sell Lithium to Earth for BILLIONS, Make MILLIONS while you sleep in real life, Become a Trillionaire, and TONS more! Made by one dude.
- 2

RoboDeal Simulator Prologue
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
Design, craft, and trade robots on the frozen world of Xylaris-9. Serve factions, upgrade your facility, and shape your robotic legacy in Robodeal Simulator.
- 3

Slot Waste
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
An episode-length first-person factory simulation. Navigate through a series of 10 unique and weird mini-games. What are you producing and who are you making it for?
- 4

Desk Space: Idle Spacefleet clicker
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Simulation and Casual with Planet Scanner.
Grow your fleet of spaceships in this incremental space game. Mine asteroids and trade with stations, unlock upgrades to made more money, deploy pirates, and unlock [REDACTED]. Pin to your desktop and watch your empire grow while you do "more important" things.
- 5

Stargazer's Terraforming Estate Co.
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
Stargazer's Terraforming Estate Company terraforms & sells planets for years. Be a respectful member of the family and monopolize the galaxy by building dyson spheres in the name of the company.
- 6

死前30天
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
你是工作在异星太空站上的员工,突然!全体船员感染了致命的太空病毒,生命只剩30天!而公司领导以不可抗力为由,拒绝赔付医疗保险!也拒绝任何救助!只剩30天了,食物不足,氧气不足,太空站上各种故障,脚下多颗神秘的异星球....你们要如何生存下去,对抗草菅人命的巨型公司?来!赶快行动起来!你只剩30天!
- 7

Galactic Pit Stop Simulator
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
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

Intergalactic Storage Clearance
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
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.
- 9

Papers, Please
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie with Planet Scanner.
Congratulations. The October labor lottery is complete. Your name was pulled. For immediate placement, report to the Ministry of Admission at Grestin Border Checkpoint. An apartment will be provided for you and your family in East Grestin. Expect a Class-8 dwelling.
- 10

Vault of the Void
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie with Planet Scanner.
Vault of the Void is a fast-paced roguelike deckbuilder where the power is in your hands. Continuously customise your deck, crafting powerful combos and ingenious strategies. Upgrade your cards with Void Stones, infusing them with new abilities to help defeat the minions of The Void!
- 11

Iron Lung
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie and Simulation with Planet Scanner.
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.
- 12

Lethal Company
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie with Planet Scanner.
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
- 13

Then They Came for Me
Single-player alternative to Planet Scanner — playable solo, no multiplayer required. Shares Indie with Planet Scanner.
Then They Came For Me is a fascism survival RPG set in an isolated neighborhood during the reign of a totalitarian regime. Take care of your neighbors, try to stay fed and sane, and make your choices carefully. Resist the regime or lick the boot, every decision you make has consequences.