You must guide Spaceman to go as far as possible in their training trip through space. The minimum contact with the asteroid will return you to the land base.
There is a strange rock that strengthens Spaceman , giving incredible strength. But beware , the force has a time limit.
You can compete with your friends through gaming service , to see who gets the highest score. also it has a number of achievements you get achieving certain scores on the level of "Hard " difficulty.