When at the title screen, enter these codes to 
receive various results.
 
For All Weapons press and hold
L+R+A+(Up-Left)
 
For Stage 2 press and hold
L+R+B(Up-Left)
 
For Stage 3 press and hold
L+R+C(Up-Left)
 
For Stage 4 press and hold
L+R+X(Up-Left)
 
For Stage 5 press and hold
L+R+Y+(Up-Left)
 
To View Ending and Credits press and hold
L+R+Z+Down
 
These codes require you to go into different modes. 
 
To Begin with Six Lives Set the Saturn clock between 
the time of 10 an 11 o'clock am. Then when you begin 
the level you should start off with six lives!
 
For Hidden Characters in Battle Game 
Hold L+R while the Mode Option "Match" is highlighted.