"The Sound Four" Extra Playable Characters Pack includes:

4 new playable characters:
- Jirobo
- Kidomaru
- Sakon (Ukon)
- Tayuya
3 Combination secret techniques:
- The Seven Ninja Swords Men of the Mist
- The Sound Ninja Four
- Cold Assault of the Demon Blade
Costumes from previous games
Matching voice
Ninja Info Card Picture
Ninja Treasure
Finish cut-in image