Invaders come in many forms, each nasty and destructive. You must blast them into bits, and harvest the pixels! Pixels become upgrade points, and Upgrades are plentiful! Turn yourself into a destruction machine, and save your universe. But beware. The invaders will not surrender easily. Win you must. There is no try.
WASD/arrows to move; Esc/P/spacebar to pause and upgrade, Mouse to aim and fire