Have at the same time 10 or more ninja coins stored
Finish the third challenge y Challenge Mode
Finish the sixth challenge y Challenge Mode
Finish the fifth challenge y Challenge Mode
Finish the second challenge y Challenge Mode
Finish the fourth challenge y Challenge Mode
Finish the first challenge y Challenge Mode
Finish the Boss Russ Mode with any character
Defeat the final boss (Dr. Disaster)
Finish the game with any character
Successfully complete the fifteenth level
Defeat Dr. Disaster in the first match
Successfully complete the thirteenth level
Pass the third bonus with less than 5 hits
Defeat the third boss (Alien Cruel)
Successfully complete the twelfth level
Successfully complete the eleventh level
Successfully complete the tenth level
Successfully complete the ninth level
Destroy 10 targets in the first bonus
Defeat the second boss (The Empty)
Successfully complete the eighth level
Successfully complete the seventh level
Successfully complete the sixth level
Successfully complete the fifth level
Hit 30 targets in the first bonus
Defeat the first boss (Iron Fury)
Successfully complete the fourth level
Successfully complete the third level
Successfully complete the second level
Successfully complete the first level
Get a 20 Hit Combo