Single-player games like Deep Space Outpost
Below are 8 single-player Steam games similar to Deep Space Outpost, 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 Deep Space Outpost page.
Ranked picks
- 1
Trappist
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
- 2
Timberborn
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
- 3
A Planet of Mine Legacy
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
A Planet of Mine is a mini procedural 4X. Starting from a single and unique planet, survive, gather and combine resources, develop your technologies and start the conquest of space.
- 4
Void Destroyer 2
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
- 5
Noble Fates
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
Harness your Demigod powers to lead a group from rags to riches in this 3D Fantasy Kingdom Management Sim with RPG elements. Command from the sky or take control in 3rd Person to BUILD, BATTLE, and RULE. Navigate a world of interesting Nobles, earn their respect, and decide their Fates.
- 6
Pioneers of Pagonia
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Deep Space Outpost.
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
- 7
Captain of Industry
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
- 8
The Last Starship
Single-player alternative to Deep Space Outpost — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Space Outpost.
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!