Super mode:
Press Up(2), Down(2), Left, Right, Left, Right at the title screen. This mode allows the game to load faster, with less moves from the on-screen characters.

Paint mode:
Enter the options screen and set "Level" to "7"; "Max Stage" to "5" (for easy), "3" (for normal), or "1" (for hard); "Time limit" to "On"; and "Game Over" to "2nd Remix". press Right, Left, Right, Left, Down(2), Up(2) at the title screen. Then, press Select at the menu. This mode allows you to paint your own arrows.

Change on-screen characters:
Hold Left or Right, then press Start.

Change playing style
Hold X then press Start to change single, versus, couple, double playing styles.

Another mode:
Press Down(2) at the game mode selection screen.

Maniac mode
Unlock "Another mode", then press Down(2) at the game mode selection screen.

Return to normal mode
Unlock "Another mode" or "Maniac mode". Then, press Up(2) at the game mode selection screen.

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

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

Mirror mode:
Press Select, Left, Right, Left, Right, Left, Right, Left, Right at the song selection screen.

Shuffle mode:
Press Select, Up, Down, Left, Right, Down, Up, Right, Left at the song selection screen.

Hidden mode:
Press Select, Up, Down, Up, Down, Up, Down, Up, Down at the song selection screen.

Little mode:
Press Select, Left, Down, Right, Down, Left, Down, Right, Down, Up at the song selection screen.

Play Ending Music:
Go to options and set the ending to 2nd Remix. Play arcade mode without failing. After finishing the ending the credits will roll. Wait for a few seconds and a dance cursor will appear. Dance to the ending music and get an SS. If you had a perfect and great on every step you will hear a sound. In the menu, press select. The Bonus track is now an Extra trac kand you can play the ending music