Single-player games like Terraforming Mars
Below are 22 single-player Steam games similar to Terraforming Mars, 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 Terraforming Mars page.
Ranked picks
- 1
Scythe: Digital Edition
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Scythe transports you to an alternate reality in 1920s Europa, one ravaged by the First World War. Take up the role of leader by assuming command of one of 5 factions, and set out to conquer the coveted "Factory". Lead your mechs to war and your people to victory!
- 2
Carcassonne - Tiles & Tactics
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
The official adaptation of the famous board game Carcassonne! A modern classic tile-placement game based on the award winning game in which the players draw and place a tile with a piece of southern French landscape on it. The player can then decide to place one of his followers, called Meeples.
- 3
Through the Ages
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Legendary board game classic from award winning designer Vlaada Chvátil
- 4
Eclipse - 2nd Dawn for the Galaxy
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
The galaxy, once peaceful after the Terran-Hegemony War, now faces rising tensions. The Galactic Council's efforts to maintain peace are failing as alliances shatter and secret treaties form. A confrontation looms—who will emerge victorious and rule the galaxy? Lead your people to victory!
- 5
Ogre
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
The official adaptation of the legendary wargame from Steve Jackson Games. Engage in futuristic warfare with armored hovercraft, superheavy tanks, infantry, and giant cybernetic war machines called "Ogres".
- 6
Wingspan
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Wingspan is a relaxing, award-winning strategy card game about birds for 1 to 5 players. Each bird you play extends a chain of powerful combinations in one of your three habitats. Your goal is to discover and attract the best birds to your network of wildlife preserves.
- 7
Hex of Steel
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Hex of Steel is a refreshing WWII wargame covering all fronts featuring a certain amount of original mechanics. Fight in solo against finally a decent AI throughout Europe, Africa or the Pacific, or against a friend in the cross-platform PBEM or real time multiplayer. Coop is also an option!
- 8
Lock 'n Load Tactical Digital: Core Game
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Lock 'n Load Tactical is fast and Furious tactical combat that is fast to learn. In LnLT you get squads, weapon teams, armored vehicles, fixed-wing aircraft, and, in the modern-era games, helicopters. Individuals such as Leaders, Medics, Snipers, Chaplains, Advisors, and, of course, Heroes.
- 9
Ark Nova
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Plan and build a modern, scientifically managed zoo to support conservation projects in an acclaimed strategy board game.
- 10
Underwater Cities
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
The official digital port of the tabletop game which won 2019 Diamant d’Or – top expert strategy game. This digital version adds online multiplayer and AI opponents.
- 11
Terraformer Expedition to Mars
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required.
Earth is dying. In a desperate effort to save humanity, all the nations of Earth pool their dwindling resources together one last time to construct and equip three space ships. The mission: Terraform Mars and pave the way for human settlement of the planet.
- 12
End Of Legends
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
A blend of real-time strategy, auto-battler, and roguelike deck building, where you play as the Dark Lord who has lost his memory but retains his purpose to destroy his enemies. Unleash the dark memory, enjoy endless upgrades, vast battles, powerful spells, and ULTIMATE DESTRUCTION!
- 13
EarthX
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
- 14
Gaia Project
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Gaia Project is the digital adaptation of the boardgame Gaia Project created by Helge Ostertag and Jens Drögemüller and published by "Feuerland Verlag". It is a 1-4 player strategy game. It plays in the same universe as Terra Mystica and continues the adventure in the far future.
- 15
Race for the Galaxy
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Explore, Settle, Develop, Trade, Consume, or Produce? Which do you need most? Which of Earth's former colonies will be most successful at settling the galaxy, now that JumpDrive exists? Who will discover the secrets of the mysteriously vanished Alien Overlords? Your goal: to build the most prosperous and powerful space empire!
- 16
Daybreak Slam
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required.
Colorful characters clash in this beginner friendly 2D Fighter. Family friendly themes and aesthetics with simple combat mechanics make Daybreak Slam a welcoming experience for new players to the genre, and allow each character to stand out in their own unique ways that veterans will appreciate.
- 17
Garfield Kart
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required.
Join Garfield and his friends in the funniest fast and fur-ious game! What character do you want to play with? Garfield, Odie, Jon, Nermal... you choose! Take part in no-holds-barred crazy races.
- 18
The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
Step into the wacky heroic fantasy universe of the Dungeon of Naheulbeuk. Lead a team of unlikely and clumsy heroes in an epic and challenging tactical RPG. Live an adventure filled with humor, surprises and silly encounters.
- 19
Agatha Christie - The ABC Murders
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required.
The ABC Murders is an adventure and investigation game adapted from the classic Agatha Christie novel. You are the famous private detective Hercule Poirot and, once again, you find yourself up against a mysterious serial killer who goes by the name of "ABC".
- 20
Naheulbeuk's Dungeon Master
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
A dungeon in danger ! Build, manage, and defend your tower in the satirical heroic fantasy universe of Dungeon of Naheulbeuk. From a shaky establishment to an infamous lair!
- 21
Crown Wars: The Black Prince
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required. Shares Strategy with Terraforming Mars.
The War of Crowns rages on. Knights and brigands run rampant throughout the land, sowing destruction. From your castle base, rise to become the lord who leads the battle against the forces of evil in this turn-based tactics and strategy game.
- 22
Moto Racer 4
Single-player alternative to Terraforming Mars — playable solo, no multiplayer required.
Choose from a variety of daring riders and get a taste of adrenaline riding freestyle or on the race course. Show your opponents what you can do with your best drifts and tricks! Show of your skills to win the championship and send your enemies of the road or into traffic for spectacular crashes.