Let's explore space together! We will be astronauts in the Idle Planet Extend. You need to explore the resources of the universe and bring them back to Earth. It is not only the moon that you can explore. Other planets you can explore as well. Use machines to help you explore resources quickly. Start exploring on the moon now! Come on! Idle Planet Extend,space game,resource collection,space exploration,idle game,mobile game,kids game,spaceship,rocket,upgrade,collect,boys,girls,3D,relaxing game,free game