Aero the Acro-Bat
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.