Doomed Earth

Arrows move, space bar shoots. CTRL or P pauses. Catching enemy blasts gives you points, catching an enemy blast with full energy heals you some. Collecting crystals gives points and helps to upgrade your weapons. If you let 10 enemy ships leave the screen, the game will end. Click on ?How to Play? for more information, tips, etc. Reading the tips page will give you more insight on how to last longer.