Single-player games like Foundation
Below are 16 single-player Steam games similar to Foundation, 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 Foundation page.
Ranked picks
- 1

Banished
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
- 2

Kingdoms and Castles
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.
- 3

Manor Lords
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Simulation with Foundation.
Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall.
- 4

Farthest Frontier
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 5

Going Medieval
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
- 6

Fabledom
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Simulation with Foundation.
Set in a wholesome fairytale world, Fabledom is a laid-back City builder. Enjoy the growth of your settlement, interact with your neighbors and defend your kingdom from magical creatures. All to find true love and live happily ever after!
- 7

Founders' Fortune
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager.
- 8

Kingdoms Reborn
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
A city builder with simulated citizens, set in a procedurally-generated world map. Grow your kingdom through the eras from a tiny medieval hamlet into a prosperous global empire! Cooperate or compete in real-time with your friends in multiplayer mode.
- 9

Majesty 2
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Simulation with Foundation.
In the world of Majesty, you are the ruler of the kingdom Ardania. At your service are your loyal and somewhat obnoxious subordinates, who have their own minds about how things should be done. In fact, Majesty is the only game where your heroes decide on their own what should be done and when, leaving you to try to control them through...
- 10

Factorio
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 11

RimWorld
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Indie with Foundation.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 12

Cities: Skylines
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Simulation with Foundation.
Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.
- 13

SimCity™ 4 Deluxe Edition
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Strategy and Simulation with Foundation.
SimCity 4 Deluxe Edition includes the bestselling SimCity 4 and the all-new SimCity 4 Rush Hour Expansion Pack. Create the most massive region of cities ever, with a farming town, bedroom community, high-tech commercial center, and industrial backbone.
- 14

Soulmask
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Indie and Simulation with Foundation.
Don the Ancient Mask. Wield the power of gods. Possess any of your tribespeople, recruit followers, and build a thriving automated civilization. Survive, expand, and forge your own legacy across a vast ancient open world — together with friends.
- 15

Hardspace: Shipbreaker
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Simulation with Foundation.
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
- 16

Terraria
Single-player alternative to Foundation — playable solo, no multiplayer required. Shares Indie with Foundation.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!