LOCATE AND ABSORB ENERGY!
You're a scientist, and your invention, a pulsating, glowing orb called the
Sentinel, absorbs and stores energy from a variety of sources. Now Earth is
threatened by deadly aliens, and you must use your creation to save your
You must defend the Sentinel against alien attacks as it glides over four enemy
planets, absorbing all alien energy sources in its path.
The Sentinel absorbs the energy from every power pod or energy capsule you
shoot with your light gun. When an energy source is hit, the Sentinel absorbs
the target's energy.
Each of the four alien planets is more difficult to conquer than the last. You
must find and destroy the alien lords who guard each planet's power station.
Destroy the station to destroy the planet. Then move on to the next world.
A single alien entity controls the other alien lords. When you have destroyed
the four worlds, the Sentinel will come face to face with this evil entity.
Defeat the final evil to complete your quest!
-back of box-