Restore health: Press Start to pause game play, then press Up, Down, Up, Down, X(3). All characters: Hold White + Black and press Up, Right, Left, Down at the "Press Start" screen. Release White + Black then press L, R. All multi-player mode characters will be unlocked, as well as Tesshu in story and co-op modes. All story mode missions: Press White(2), L, R, Right, X, click Left Analog stick, click Right Analog-stick at the mission selection screen. All layouts: Click Right Analog-stick, click Left Analog-stick, press L, R, White, Black at the mission selection screen. Increased offensive power: Press Start to pause game play, then hold R + White and press Up, Down, Up, Down. Release R + White and press X(3). All ninja items: Hold L + R and press Up, Down, Up, Down, X(3), Left, Right, Left, Right, X(3) at the item selection screen. Increased ninja items amount: Hold L + R and press Up, Left, Down, Right, X(3) at the item selection screen. Unlimited item capacity: Hold L + R + White and press Up(2), Down(2), Left, Right, Left, Right at the item selection screen, then release only White and press X(3). Through The Portal bonus mission: Press White, Up, Black, Down, L, R, Left at the title screen to unlock Rikimaru's Through the Portal bonus mission. New special move: Press Start to pause game play, then hold R + Black and press Up(2), Down(2). Release R + Black and press X(2), L, R. Increase Kuji by one: Press Start to pause game play, then press Left(3), Right, X to increase your Kuji meter by one. Full Kuji: Press Start to pause game play, then hold L + R and press Left(3), Right, X. Display score: Press Start to pause game play, then press Right(3), Left. Increase score: Press Start to pause game play, then press hold White + Black and press Right(3), Left to get 100 more points. B-side commentary: Hold L + R and press Down, X(2), Up, X(2), Left, X(2), Right, X(2) at the title screen. Enter the options screen and select "Audio", then "Language". Select the "B-Side" option to hear a third commentary track. Note: This is only available in the North American and European version of the game. Alternately, get an "Expert" or higher rank for all of Rikmaru and Ayame's missions and a "Professional" rank in all of Tesshu's missions. Ninja Dog multi-player character: Get a "Grand Master" rank in all of Ayame's missions. Semimaru multi-player character: Get a "Grand Master" rank in all of Rikimaru's missions