Detana! Twin-Bee Yahoo! (PSX)

Level skip:
Pause the game and press Left, Left, Right, Right, Down, Up, Down, Up, Circle, Circle, Square, Square, Triangle, X, Triangle, Triangle
(You must get 573,000 or more points in "Twin Bee Yahoo" mode first)

Dark play:
Pause the game in arcade more and press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle