Single-player games like Colony 37
Below are 8 single-player Steam games similar to Colony 37, 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 Colony 37 page.
Ranked picks
- 1
Astrometica
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Adventure with Colony 37.
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
- 2
Beyond the Map
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Adventure with Colony 37.
Isometric survival ARPG set in a procedurally generated fantasy world. Build your base, gear up, and venture out, chasing stronger enemies and better loot.
- 3
Devil Spire Falls
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Adventure with Colony 37.
The open-world action-RPG, where you can do anything, of your dreams… as if it came out 30 years ago!
- 4
The Spotter: Dig or Die
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Adventure with Colony 37.
Dig by day, fight by night in this blend of mining and Tower Defense. As the last Spotter at a ruined gas station, hold back mutant hordes, scavenge the wasteland, and repair your receiver to capture the President’s vital message and humanity’s last hope.
- 5
XenoHaven
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Adventure with Colony 37.
XenoHaven 1.0 is out now! Recruit familiars to farm, mine, craft, and fight by your side. Build a home with friends, battle bosses, run a restaurant, and make the planet your own with Steam Workshop creations.
- 6
MineMogul
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Early Access with Colony 37.
Design and build a factory deep underground in this physics-based automation sandbox. Mine resources, buy machines and master the chaos as you become the ultimate Mine Mogul!
- 7
The Forever Winter
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Early Access with Colony 37.
The Forever Winter is a tactical shooter where you and your squad must loot the dead to survive under the shadow of terrifying and gargantuan war machines locked in a never-ending conflict. Millions of deaths later the war continues with our latest update!
- 8
A Game About Digging A Hole™
Single-player alternative to Colony 37 — playable solo, no multiplayer required. Shares Indie and Adventure with Colony 37.
A minimalist game about digging a hole in the garden of a newly purchased house. Collect resources, sell them, upgrade your equipment and discover a mysterious secret. Costs you only one coffee!