The era of colonization is over and a new age of exploration has begun. You’ve just scratched the surface of Mars, now get ready to go below and beyond! Key Features Back to the Bases – Expand your colony into caves and lava tubes under the surface. Players can use existing structures, or underground-specific buildings to build a base for exploration. Expand with caution, potential cave-ins can destroy everything.. Mine Your Own Business – Players can now go below the surface and beyond the red planet for resource mining. Construct special rocket-propelled buildings to…