From the introduction:
You are also all barreling through space in a ship made of junk and scrap, how lucky! Your goal: to make it to Junktopia, the rogue planet in the middle of space, a utopia for the Goblins, with your ship intact and as much Junk as you can to further its beauty!
Space Goblins! is a HIGH CHAOS AND TRULY OUTRAGEOUS RPG meant for 2-5 players with rotating referee play and an emphasis on wild Goblin-created mayhem!
Use any interlocking plastic building block collection, such as Lego, as your Junk collection, building up and breaking down your Junk Ship as you play with all the other Goblins!