Dance Dance Revolution 3rd Mix

Left mode:
Press Left(8) at the song selection screen.

Right mode:
Press Right(8) at the song selection screen.

Mirror mode:
Insert your coins, then press Left, Right, Left, Right, Left, Right, Left, Right at the song selection screen.
Information in this section was contributed by tigger600.

Step Step Revolution mode:
Insert your coins, then press Left(3), Right(3), Left, Right at the song selection screen.
Information in this section was contributed by tigger600.

Alternate arrow colors:
Insert your coins, then press Left, Right, Left(2), Right(2), Left, Right at the song selection screen.
Information in this section was contributed by tigger600.

Little mode:
Insert your coins, then press Left, Down, Right, Down, Left at the song selection screen.

Sudden, stealth, and hidden modes:
Insert your coins, then press Up, Down at the song selection screen repeatedly to cycle through those modes.

Couple, versus, and double modes:
Press Left-Select, Right-Select, Start at the title screen.

Custom arrows:
After inserting your coin(s), go to the song selection screen. When you choose a song, hold the Middle Button. You can change the speed arrow color character and freeze arrow. After adjusting the settings, chose "Exit" and your song will begin.
Information in this section was contributed by Hernan Aldrete.

Dance Dance Revolution 2nd Mix songs:
Insert your coins, then press Left(2), Right(2).
Information in this section was contributed by tigger600.

Dance Dance Revolution 2nd Mix characters:
Press Down at the character selection screen.

Double mode:
Insert your coins, then hold Left + Right and press Start. This can also be done after enabling Step Step Revolution mode.

Display lyrics:
Press Start during a song.

Return to normal mode:
Press Up(4).
Information in this section was contributed by tigger600.