Dance! Dance! Revolution! Cheat Codes for Arcade

Cheat menu
Hold both Select buttons for Player-1 and Player-2. Then press Start.
(Note: To cancel cheats push Up (x4) before the first song begins.)

Maniac difficulty
Press Down (x2), Left (x3), Right (x3), Left, Right prior to selecting a skill level. (The word "Maniac" confirms correct entry.)
(Note: To disable Maniac mode, press Up (x8) at the song selection screen.)

Mirror mode
Press Left and Right (x8) at the song selection screen. (The word "Mirror" confirms correct entry.) Mirror mode will turn dance arrows in opposite directions.

Shuffle mode
Press Up, Down, Left, Right, Down, Up, Right, Left at the song selection screen. (The word "Shuffle" confirms correct entry.) In Shuffle mode, there are new dance steps.

Dancers face left
Press Left (x8) at the song selection screen. (The word "Left" confirms correct entry.) In Left mode, dancers face left.

Dancers face right
Press Right (x8) at the song selection screen. (The word "Right" confirms correct entry.) In Right mode, dancers face right.

Easy mode
Press Down, Left, Down, Right, Down, Left, Down, Right, Down, Up at the song selection screen. (The word "Easy" confirms correct entry.)
(Note: Some songs do not have an Easy difficulty.)

Expert mode
Push Up, Down, Up, Down, Up, Down at the song selection screen. (The word "Expert" confirms correct entry.) At Expert difficulty, half of the dance arrows disappear.

Little difficulty
Press Left, Down, Right, Down, Left, Down, Right, Down, Up at the song selection screen. (The word "Little" confirms correct entry.) In Little mode, dancing is easier.