Single-player games like Colony Survival
Below are 9 single-player Steam games similar to Colony Survival, 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 Survival page.
Ranked picks
- 1
7 Days to Die
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Action and Strategy with Colony Survival.
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!
- 2
Factorio
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Strategy and Indie with Colony Survival.
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.
- 3
RimWorld
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Strategy and Indie with Colony Survival.
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.
- 4
Castle Story
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Strategy and Indie with Colony Survival.
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
- 5
Dig or Die
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Action and Strategy with Colony Survival.
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
- 6
Stonehearth
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Strategy and Indie with Colony Survival.
Pioneer a living world full of warmth, heroism, and mystery. Help a small group of settlers build a home for themselves in a forgotten land. Establish a food supply, build shelter, defend your people, monitor their moods, and find a way to grow and expand, facing challenges at every step.
- 7
Kingdoms and Castles
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Strategy and Indie with Colony Survival.
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.
- 8
They Are Billions
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Strategy with Colony Survival.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 9
Pixel Piracy
Single-player alternative to Colony Survival — playable solo, no multiplayer required. Shares Indie and Adventure with Colony Survival.
Embark on an epic 2D pirate simulator RPG adventure, where you navigate both land and sea. Upgrade your ship, recruit and level up your crew, and uncover hidden treasures as you become a legendary pirate.