Hard difficulty:
Beat the game on Normal difficulty.
Insane difficulty:
Beat the game on Hard difficulty.
Stage EX:
Beat the game on Normal difficulty with Hotsuma.
Movies:
Collect 10 Oboro Coins.
Extra Options:
Collect 20 Oboro Coins.
Play as Moritsune:
Collect 30 Oboro Coins.
Play as Joe Musashi:
Collect 40 Oboro Coins. His sword does less damage than Hotsuma, but he has
unlimited shurikens.
VR stage:
Collect 50 Oboro Coins.
Hard difficulty:
Beat the game on Normal difficulty.
Hard difficulty:
Beat the game on Normal difficulty.