Invincibility:


Press A(2), Up, B(2), Down, A,

B, Start at the credits screen.



View end game sequence:


Press A(2), Up, B(2), Down, A,

B(2), Start at when the phrase "Press Start"

appears.



Level select:


Press Left, Up, Right, Down, Up,

Right, Left, Down and one of the following

buttons at the credits screen.

Level   Button  
2       Up  
3       Left  
4       Down  
5       Right  
6       Select  
7       B  



Hint: Defeating the robot Boss:


Position yourself in the safe location near where the beams

are shooting from the left side of the screen.



Hint: Defeating the "Eyeball":


Position yourself in the safe location just to the left of

the "Eyeball".