User Summary Space maze game where you are a robot slayer utilizing a gun. You shoot your way through levels, get keys, unlock doors to find the teleport pad. Life force is represented by Energy which is used when shot and slowly depleats over time. Energy upgrades and weapon upgrades are available at each level end using coins picked up during play. The game is endless. Levels 1 through 6 remain the same. Level 7 has eight different possibilities, and is the last "training level", after this level, you will have to buy all the items for wall and monster mapping. After level 7, the mazes are random. Starting at level 15 and every 10 levels afterwards, you will have to take on the Master Xybot. Starting at level 20 and every 10 levels afterwards, the view can be totally dark.