Atari Bonus LevelsAt the Unlockables screen, hold L and R and enter A, B, A, B, A, A, B. Game unlockablesComplete all the stages in an episode to get a message telling you what you have unlocked.Blue ninja: Complete episode 02Gold Ninja: Beat all 45 EpisodesGreen ninja: Complete episode 03Red ninja: Complete episode 01Victory Dance 01: Complete episode 01Music 2Collect 20,000 total gold. See more:N+ Video Game Console Cheats... Or click here for more:N+, Nintendo DS Cheats...
At the Unlockables screen, hold L and R and enter A, B, A, B, A, A, B.
Complete all the stages in an episode to get a message telling you what you have unlocked.
Blue ninja: Complete episode 02
Gold Ninja: Beat all 45 Episodes
Green ninja: Complete episode 03
Red ninja: Complete episode 01
Victory Dance 01: Complete episode 01
Collect 20,000 total gold.