Achievements
Complete each achievement to get the allotted gamerscore:
Apprentice (10) - Finish Mission 28 without being discovered by anyone.
Chunin (15) - Finish Mission 26 without taking any damage.
Genin (10) - Finish Mission 21 with at least 60 seconds left.
Jonin (15) - Pull off a 20-hit combo.(Solo Play).
Legendary Ninja (35) - Unlock all available characters.
Neophyte (10) - Finish Mission 1 without being spotted by anyone except Echigoya.
Oniwaban (15) - Pull off a 15-hit combo.(Solo Play)
Master Ninja (25) - Unlock Onikage.
Expert Ninja (20) - Unlock Kagura.
Footsoldier (10) - Finish Mission 8 with at least 90 seconds left.
Spy (15) - Finish Mission 11 without taking any damage.
Veteran Ninja (20) - Pull off a 25-hit combo.(Solo Play)
Unlock Characters
Kagura - Complete Mission Twenty-five with Tesshu (also unlocks Expert Ninja achievement).
Onikage - Complete Mission Thirty with Rikimaru (also unlocks Master Ninja achievement).
Nasu - Complete Mission One with Ayame.
Rin - Complete Mission One with Rikimaru.
Tenrai - Complete Mission Ten with Ayame.
Tensshu - Complete Mission Twenty with Rin.