Mars Base Alley is a cozy city-builder about creating the perfect little corner of humanity on the red planet.
After a bumpy landing on Mars, you arrive at a quiet crater with a simple request from Mayor Roark: help turn this empty stretch of dust into a place people can truly call home. Instead of one grand city plan, the Mayor invites a handful of designers to each build and care for their own alley, slowly shaping Mars Base City together.
Each alley grows at its own pace. You’ll place buildings, manage resources, keep settlers comfortable, and gently respond to Martian challenges like dust storms, power hiccups, and changing needs. There’s no rush—just thoughtful decisions, small optimizations, and watching your alley come to life.
As the colony fills with warmth and activity, your alley is quietly evaluated alongside the others. Happy settlers, smooth resource flow, and a well-designed space all matter. With care and creativity, you may earn Mayor Roark’s special recognition and be crowned Champion Designer of Mars Base Alley.
On a once-lonely world, you’ll build a cozy future for humanity—one alley at a time.
️ Design Your Own Martian Alley
Build your homepod to add colonists to your alley, then improve their comfort by upgrading and building a variety of shops & attractions. These inlcude markets, restaurant, pub, sauna, animal ranch and more!Cozy City-Building on Mars
A relaxed, low-pressure take on city building with 13 buildings, focused on creativity, care, and gentle optimization for each building that offer goodies. Full Campaign with 13 Levels
Play through a complete 2-4 hour campaign where each level introduces new challenges, layouts, and design opportunities.️ Dynamic Martian Challenges
Respond to shifting daily demands without punishing failure or high stress.Creative Freedom & Customization
Experiment with layouts, decorations, and small optimizations to express your personal design style.Play at Your Own Pace
No strict timers—progress thoughtfully and enjoy watching your alley grow and come to life.
