Sega Master System
Global Defense 3D

Two Pads: The game is easier if you use two Control Pads. To play with two Control Pads, press and hold right on Control Pad 2, and press Button 2 twice. Playing with two Control Pads is very difficult at first, but once you get used to it, it will boost your scores greatly.
Offensive Halves: Stay about in the middle of the screen, only moving to pick up the "P's" and avoid the enemies coming at you.
Defensive Halves: Shoot as many of the missiles that you can when they are little blue dots in the background. The more you shoot there, the less you have to fend off. They are harder to hit once they are white arrows.When on the hidden planet, concentrate on surviving when you have the yellow "P". There is only 1 in this round!

Submitted by: CheatBookJon

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