Mars Colony Builder
An unreleased Mars settlement builder about roads, buildings, safety, and shaping the first human city on the planet.
Mars Colony Builder is less pawn-focused than RimWorld, but it belongs in an upcoming colony catalog because it is explicitly about first settlement on Mars. It appears best suited for readers looking for construction and city-scale colonization rather than individual survivor drama.
Mars Colony Builder belongs in the catalog because it pushes the core colony-sim question: can a settlement keep functioning when people, resources, environment, and bad timing all collide?
Core mechanics
People pressure
Colonists, settlers, crew, or citizens create needs and priorities that turn a base into a social system.
Base planning
Rooms, storage, production, defenses, temperature, oxygen, water, or logistics decide whether the settlement works.
Failure stories
The best run is rarely perfect. Shortages, bad layouts, events, and cascading mistakes create the memory.
Long-term arc
Research, expansion, seasons, raids, diplomacy, or self-sufficiency give the colony somewhere to go.
Related colonies
RimWorld 10.0
The reference sci-fi colony sim: a small group of crash-landed survivors tries to build a home while an AI storyteller turns logistics into drama.
Dwarf Fortress 9.9
A legendary fortress simulator where a generated world, stubborn dwarves, and one bad tunnel can turn a settlement into history.
Oxygen Not Included 9.8
A sealed asteroid colony sim where oxygen, heat, germs, food, morale, and plumbing all become survival problems.