Single-player games like Terraformers
Below are 12 single-player Steam games similar to Terraformers, 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 Terraformers page.
Ranked picks
- 1
Tharsis
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Succeeding in Tharsis requires you to make the best of what you have, even if it happens to be a pair of snake eyes. Certain factors may be outside of your control, but that doesn’t mean they can’t be overcome. Tharsis is not a game about facing the odds. It’s a game about changing them.
- 2
Mars Horizon
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
- 3
Mars Horizon 2: The Search for Life
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Lead your space agency in The Search for Life in this authentic strategy simulation game. Investigate the solar system and collect evidence of life. Manage base building, rocket designing, launches, and mission planning to Mars and beyond, leading the way in the future of space exploration.
- 4
Terraforming Mars
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
- 5
Planetiles
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Dive into Planetiles, where strategy and creativity converge. Build and transform barren planets into flourishing worlds. Outwit natural disasters, develop vibrant habitats, and navigate complex challenges. Embrace a boardgame-like depth with thoughtful planning and strategic decision-making.
- 6
Solar Settlers
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Solar Settlers is a card-driven space exploration strategy game set in the far future. Our sun is on the verge of collapse and so mankind has taken to the stars aboard colony ships to seek out a new home.
- 7
Deep Sky Derelicts
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Deep Sky Derelicts is an original combination of turn-based strategy and RPG, enriched with tactical card combat and popular roguelike elements. Explore derelict alien ships, fight, loot and upgrade your gear, all in distinctive retro-futuristic comic book aesthetic style.
- 8
Tainted Grail: Conquest
Single-player alternative to Terraformers — playable solo, no multiplayer required.
A unique, infinitely replayable, story-driven hybrid between a deck-building Roguelike and an RPG game. Explore the ever-changing maps, fight with deadly enemies, and learn what happened to the cursed island of Avalon.
- 9
Slipways
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Weave isolated planets into a vast trade empire. Hatch plans. Research game-breaking technologies. Still be done in time for lunch. Enjoy the endless possibilities of a space grand strategy game in 60 minutes flat.
- 10
Terra Nil
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Terra Nil is an intricate environmental strategy game about transforming a barren wasteland into a thriving, balanced ecosystem. Bring life back to a lifeless world by purifying soil, cleaning oceans, planting trees, and reintroducing wildlife, then leave without a trace.
- 11
Sid Meier's Civilization®: Beyond Earth™
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
- 12
Terraformers: First Steps on Mars
Single-player alternative to Terraformers — playable solo, no multiplayer required. Shares Strategy with Terraformers.
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.