Defend the earth from marauding alien space bugs.
Fight for survival against waves of aliens.
Collect weapon upgrades and ship repairs, but watch out for the bombs.
If you loved '80s arcade games you'll love this retro arcade shooter. It's got tough ships against tougher enemies, lots of power ups and as you level it becomes a bullet-storm nightmare.
Extra lives come quickly at first and are always 5000 points or less away.
Pro tip: go for 100% in the challenge stages for huge bonuses.