This game is an advance space shooter in survival mode. It has no end.
The far you fly the bigger robots become (and their bullets).
Power ups unlimited.
There can be only 3 power ups on the screen at the same time. Don't waste.
Spheres always give you a bonus. SC-SC-Life (sometimes replaced with FP)
Spheres easily can be blown up by your body.
Special Charge work by amount of shots. Don't hurry to waste it.
