Unlock the Super Car.

Cleared Arcade mode with ending A.

Got a AAA ranking in Arcade mode (for Shot Down, Combo, or Play Time).

Got a combo of 50 in Arcade mode.

Cleared Arcade mode with the F-15E.

Cleared Stage 10 in Arcade mode.

Performed a roll in Arcade mode.

Throw a ball out the window, at the shooting gallery

Reach the final scene and finish the game

Play your favorite tune on the xylophone (ignoring the hints)

Travel into four rooms to open the maze gate

Approach the fountain without a bottle and touch the fluid

Land a 30 hit combo or higher in Arcade Mode.