The Best Base-building colony simulation Games

RimWorld is a life simulator and management game set in a remote planet in the distant future. It features a unique character generation system to create complex personalities with flaws, drives and needs, as well as a story generator that creates unexpected scenarios for players to face.

Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Oxygen Not Included is an innovative and unique colony-building game in which you control a crew of duplicants who start beneath the surface of a procedurally generated asteroid with nothing more than a ration box and cloning device. With its childlike art style and humour, Oxygen Not Included looks like less of a space simulator and more like The Sims in space, but don't let that fool you - it's brimming with complexity and depth.

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.

Ostriv is a city-building game that puts you in a role of a governor of an 18th century Ukrainian town to challenge your creative skills and management abilities.

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!

Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.

'Songs of Syx' is an immersive fantasy city-builder where you evolve from a tiny colony to a sprawling empire. Battle with legions, manage a diverse population, and shape your society in a living world of gods and creatures. With a blend of strategy and simulation, every decision can lead your kingdom to prosperity or downfall. Ready to rule?

Dwarf Fortress is an incredibly detailed, complex game where you help a colony of dwarves build a settlement by carving out bedrooms, dining halls and other necessary structures from the side of a mountain. You don't control individual dwarves but instead provide instructions for them to follow, with each dwarf having their own needs and wants that you become familiar with as you play.

Farlanders is a turn-based city builder set on Mars, with a puzzle game mentality and an engaging story that challenges you to think about the right you have to change the face of a planet. You play as Marco, an architect who discovers that all is not what it seems. Balance resources, build structures and manage colony happiness in this demanding but rewarding space colony simulator.