H o w     t o    p l a y
Aim with the mouse. Left-click to fire laser beam.  When you get close to the left or right border, the tank will move in the same  direction. You can also move the tank using the Cursor Left and/or Right keys. The laser needs energy to operate. The energy is regenerated slowly.
D i s p l a y
Weapon energy is displayed in the upper left part of the console.
The score is displayed below the weapons energy.  The radar in the center shows all enemy ships. Ships draining energy are red.
The remaining energy of the base is in the upper right part of the console. When the energy reaches zero, the game is over.
P o w e r - U p s
If you destroy the alien attack sphere (it requires several hits to be destroyed) you'll get one of three power-ups:
W - Weapon Energy: Your laser will refill much faster
S - Speed: Your tank will much faster with this extra
E - Energy: This will refill the base's energy.