Dance Dance Revolution 4th Mix Codes -

Synchronized Love song:
Successfully complete five songs.

Challenge mode:
Successfully complete ten songs.

Alternate Emi appearance:
Hold Right when selecting a mode, style, and Emi as a character. Release Right when the song list appears. Emi will appear without a hat during game play.

Male characters:
Hold Left at the main menu then choose solo mode and a style (single, versus, or double). Also, enable all music mode. The male characters will be unlocked at the character selection screen.

Alternate credit sequence:
Select all music mode and complete a round under the normal difficulty setting to view an extended credit sequence with alternate animations.

Bonus songs:
Clear the indicated number of songs to unlock the corresponding bonus song.

Synchronized Love (Red Monster Hyper Mix): 05 songs
Dancing All Alone: 15 songs
Hero (Happy Grandale Mix): 20 songs
Dam Dariram (KCP Mix): 25 songs
If You Were Here (B4 Za Beat Mix): 30 songs
Let's Talk It Over: 35 songs
Make Your Move: 40 songs
Share My Love: 45 songs
Era (Nostalmix): 50 songs
Holic: 55 songs
.59: 60 songs
Don't Stop! (AMD Second Mix): 65 songs
Never Let You Down: 70 songs
Groove: 75 songs
Midnite Blaze: 80 songs
Get Me In Your Sight (AMD Cancun Mix): 85 songs
Leading Cyber: 90 songs
Orion.78 (Civilization Mix): 95 songs