The Best Multiplayer base-building Games for Mac OS - Page 3

Between Two Stars is a 2D procedurally generated space exploration game. Players take control of a starship, as part of a simulation on behalf of the Orpheus Corporation and explore the Sierra Galaxy to discover new worlds and new materials with which to trade, craft and build bases.

Million on Mars delivers the most realistic Mars city-building MMO experience. Granted 40 acres of real Martian terrain, shop for rovers, energy systems, & factories to begin production on Mars. Leverage your skills and rovers, prepare your settlement for the arrival of the initial 20 Martians.