Dance Dance Revolution 2nd Mix

Cheat menu:
Hold Select (player one) + Select (player two) and press Start. To disable any previously set cheat options, press Up(4) before the first song starts.

All songs:
Highlight the hard difficulty setting and press Select(4) (player two).

Another mode:
Press Down(3), Left(2), Right(2) at the song selection screen.

Two-player modes:
Press Start (player one). Then, hold Left-Select (player two) + Right-Select (player two) and press Start (player two). Couple mode, versus mode, and double mode will be unlocked.

Dancers face to the left:
Press Left(8) at the song selection screen. The word "Left" will appear to confirm correct code entry.

Dancers face to the right:
Press Right(8) at the song selection screen. The word "Right" will appear to confirm correct code entry.

Hidden arrows:
Press Up, Down, Up, Down, Up, Down at the song selection screen. Some dance arrows will not appear while this mode is enabled.

Little easier difficulty:
Press Left, Down, Right, Down, Left, Down, Right, Down, Up at the song selection screen. The word "Little" will appear to confirm correct code entry. Dancing will be slightly easier when this mode is enabled.

Maniac difficulty:
Press Down(3), Right, Up(2), Left or Down(2), Left(3), Right(3) Left, Right at the skill selection screen. The word "Maniac" will appear to confirm correct code entry. Press Up(8) at the song selection screen to return to normal.

Shuffle mode:
Press Up, Down, Left, Right, Down, Up, Right, Left at the song selection screen. The word "Shuffle" will appear to confirm correct code entry. New dance steps will appear when this mode is enabled.

Play as Afro:
Press Right-Select (player one) + Start (player one) at the title screen.

Play as Frog Girl:
Press Left-Select (player two) + Start (player two)at the title screen.

Play as Lady:
Press Right-Select (player two) + Start (player two) at the title screen.

Play as Socket Man:
Press Left-Select (player one) + Start (player one) at the title screen.