w,a,s,d will move you in whichever direction you click very far while the arrow keys will move you slightly in the direction you click. Space will fire a beam that will deal damage to the alien ship don't get hit by the alien ships attacks and lower the alien ship to 0 hp to win. Sometimes you may have to hit the flag twice for it to start.
Soundtrack Terraria Extended - Boss 2 by Scott Lloyd Shelly
