Pilot your micro spacecraft through a body, eliminating the viruses, germs and other assorted diseases. Collect the energy capsules and choose the power-up options that you’d like. Defeat the end-bosses that appear at the end of the levels.
Move your spaceship using the 8-way joystick and destroy the enemies by pressing the shoot button. Pick-up the energy capsules to increase your power. Choose from the following power-up options:
SPEED UP: Five speed levels.
MISSILE: Press missile button to launch.
LASER: Your forward rockets turn into deadly lasers.
RIPPLE LASER: Use shoot button to fire.
FORCE FIELD: Protect your ship with barriers.
MULTIPLE: Increase your fire power by up to four times.
You can obtain multiple special powers but you cannot have LASER as well as RIPPLE Laser.