Description: 8 Alien battle cruisers are on there way to destory earth, your mission is to destroy all the power units located on each cruiser, allowing you to continue to the next. Watch out though, they won't go without a fight, each cruiser has patrolling enemy ships, you've been warned! The power units are square objects with a flashing center, and these are also located on the radar by flashing dots.

Instructions: Press enter to start, move with the arrow keys and press 'd' to fire. TIP: You can slow down, speed up or move backwards.