Galactic invaders from planet Ludos are determined to take over the Earth by means of total destruction. Get rid of these unwated guests by dealing with many waves of enemy ships. Defeat the final boss to save the Earth! Use either the ASDW or arrow keys to move the ship, move the mouse to set your target.
Press spacebar to release a bomb.
Click anywhere when the power bar blinks to unleash your laser beam. (you must upgrade the laser beam first)
Press P to pause and show the menu.
Shoot the enemies and destroy them.
Clear all waves to proceed to the next zone.
Defeat the last boss to ensure the survival of Earth.