Finish Mission 28 without being discovered by anyone.
Finish Mission 26 without taking any damage.
Finish Mission 8 with at least 90 seconds left.
Finish Mission 21 with at least 60 seconds left.
Pull off a 20-hit combo.(Solo Play)
Unlock all available characters.
Finish Mission 1 without being spotted by anyone except Echigoya.
Pull off a 15-hit combo.(Solo Play)
Finish Mission 11 without taking any damage.
Pull off a 25-hit combo.(Solo Play)