Single-player games like Gaia Project
Below are 16 single-player Steam games similar to Gaia Project, 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 Gaia Project page.
Ranked picks
- 1
Terraforming Mars
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy with Gaia Project.
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.
- 2
Terra Mystica
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
In a world of fantasy, called Terra Mystica, 14 races are fighting together or individually against their opponents to gain power and territory. Using their resources smartly and terraforming wisely to gain supremacy and lead their own settlers to victory.
- 3
Through the Ages
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Legendary board game classic from award winning designer Vlaada Chvátil
- 4
Wingspan
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
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.
- 5
Ark Nova
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy with Gaia Project.
Plan and build a modern, scientifically managed zoo to support conservation projects in an acclaimed strategy board game.
- 6
Nexus 5X
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
- 7
ENDLESS™ Space - Definitive Edition
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy with Gaia Project.
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
- 8
Root
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Might makes right in the wild wood! The award-winning board game of asymmetrical woodland warfare comes to cross-platform digital play! Combine subtle strategy and bold daring to guide your forest faction to victory!
- 9
Mr.Knight
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Whenever night comes, there will be many monsters in the quiet woods. Our Knights need to build strong defense measures to protect the princess from being taken away by monsters.
- 10
Spirit Island
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Become the spirits of the land, and defend the island from colonizing Invaders spreading blight and destruction! Your spirits work with the native islanders to increase your power and drive the invading colonists from your island in this strategic area-control game.
- 11
The Castles of Burgundy
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Stefan Feld's highly decorated board game "The Castles Of Burgundy" by Ravensburger is getting its digital version on Steam! Enjoy against the challenging AI or friends a beautiful digital version of the classic board game!
- 12
Isle of Skye
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Five clans are fighting to rule over the Isle of Skye. Only the chieftain who develops the best clan territory and trades wisely will be king!
- 13
Patchwork
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
In the long-awaited digital adaptation of Uwe Rosenberg's Patchwork, players patch their way to victory using fabric pieces of assorted sizes, colors, and buttons.
- 14
Le Havre: The Inland Port
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Build a prosperous port in Uwe Rosenberg’s award winning two-player board game!
- 15
Agricola: All Creatures Big and Small
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Indie with Gaia Project.
Agricola: All Creatures Big & Small is a digital adaptation of Uwe Rosenberg's award-winning two-player board game featuring farming and livestock breeding.
- 16
Cottage Garden
Single-player alternative to Gaia Project — playable solo, no multiplayer required. Shares Strategy and Casual with Gaia Project.
In the digital board game Cottage Garden, you compete in the art of gardening.