At the song selection or difficulty selection (either is fine) screen, hit the <B>Left</B> arrow (on the dance stage, not the arcade unit) eight times (<B>Left, Left, Left, Left, Left, Left, Left, Left</B>) to play in Left mode.
Hidden Mode
At the song selection or difficulty selection (either is fine) screen, press Up, Down, Up, Down to play in Hidden mode. In this mode, all of the arrows in the song that you select become invisable when they are almost at the top.
Little Mode
At the song selection or difficulty selection (either is fine) screens, press <B>Left</B>, <B>Down</B>, <B>Right</B>, <B>Down</B>, <B>Left</B> (on the dancing stage, not the arcade unit) to selec
Right Mode
At the song selection or difficulty selection screen, hit the <B>Right</B> arrow eight times (<B>Right, Right, Right, Right, Right, Right, Right, Right</B>) to play in Left mode. The Right arrow is now the Down arrow, etc.
Stealth Mode
At the song selection or difficulty selection screen, press <B>Up</B>, <B>Down</B>, <B>Up</B>, <B>Down</B> to play in Stealth Mode. In this mode, EVERY SINGLE ARROW is invisible
Shuffle Mode
At the song selection or difficulty selection screen, press Up Down, left, Right, Down, Up, Right, Left to play in Shuffle Mode. In this mode, all of the steps for the song that you choose are randomized.
Flat Mode
At the song selection or difficulty selection screen, use your feet to step out Left, Left, Left ,Right, Right, Right to play in Flat Mode. In Flat Mode, there are no distinguishing colors between 1/4th, 1/8th, and 1/16th notes.
Cancel Modes
If you want to un-select any of the modes that you have selected, press <B>Up</B>, <B>Up</B>, <B>Up</B>, <B>Up</B> on the dancing stage at either the song selection or difficulty selection screens.
Sudden Mode
When in Hidden Mode, press <B>Up</B>, <B>Down</B>, <B>Up</B>, <B>Down</B> to play in Sudden Mode. In this mode, the arrows in the song that you select are invisible until they are almost at the top of the s
Normally, after choosing a song, you are given three difficulties to choose from - Beginner, Standard, and Difficult. Scroll past Difficult to highlight Expert difficulty, which is the hardest difficulty of all.