A most unfortunate Series of Galactic Events has put you, a fighter pilot, in this horrible situation.
Fight your waves through waves of enemies who want nothing more than to kill you (and getting to the bottom to the screen). So much so that they've devised over 12 different ways to do it (they are supposedly developing even more).
As you complete each wave you'll come across intercepted messages floating across the cosmos.
These messages hold the key to discovering how you got here and where you're going, as well as other things such as monkeys, crucifixions, suicide, the sacrifice of bastard children, cooking recipes, the meaning of life and other things of that sort.
So, set out on your adventure and discover how it all came to this; or completely ignore the story and go on a violent rampage, killing hordes of enemies without purpose. I honestly don't care.
More levels and enemies coming soon (FREE!)