We are still searching for game pictures and screenshots for Dance! Dance! Revolution: 2nd Mix (Arcade). We do not have any cheats, codes, or hints yet.

Highlight Hard mode and press Right Select button (x4).

"At the song select screen, press: DOWN, DOWN, DOWN, LEFT, LEFT, RIGHT, RIGHT

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.

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

To activate Hidden mode, push the joystick UP, DOWN, UP, DOWN, UP, DOWN prior to selecting a skill level. (Hidden mode will make half of the arrows disappear.)