The Earth needs ur help - the planet aliens from the meep dimension have their eyes set on taking your lovely blue-green planet. Ur in charge of the planetary defenses - shoot the alien planets before they killz u. It's an action-spacey-shootem up game!
Absorb the green energies that appear after u blast an alien planet. Once u have enough of these energies, u will be able to upgrade urself. Think carefully about wot u wants to upgrade... mmmmk?