Aero the Acro-Bat - Platform: Super Nintendo

Level select:
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Press Down, A, Down, Y, Down, A, Down, Y on the options screen. 
A sound will confirm correct code entry. Begin game play on the 
first level. Press Start to pause the game when Aero appears. 
Press Up, X, Down, B, Left, Y, Right, A, L, R. A sound will 
confirm correct code entry. After game play is resumed, press 
Start to pause, then press Select. Then hold R while the bonus 
points are calculated at the end of any level. 

Full level select menu:
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Enable the "Level select" code. Press L, R, X, B, Left, Up, Right, 
Down, Y, A at the level select screen. Additional options will 
appear on the level select menu. Enter the following codes to 
enable the corresponding options on this menu. 

Infinite stars:
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Press A, Y, L, Up, Down, R, A, Y, Right, Left at the full level 
select menu. The "Infinite Stars" option may now be selected. 

No enemy collision:
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Press Down, A, Y, R, Y, B, Up, L, Y, A at the full level select 
menu. The "No enemy collision" option may now be selected. 

Five continues:
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Quickly press X, Y, B, A, X, A, B, Y, Up, L at the title picture 
that features Aero flying. (This is not the title screen.) 
A sound will confirm correct code entry. 

Nine continues:
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Press X, Y, B, A, X, A, B, Y, Up, R at the title picture that 
features Aero flying. (This is not the title screen.) 
A sound will confirm correct code entry.