Okinawa Rush

Collect all 9 endings

Finish the game on black belt

Beat any stage on nightmare

Complete a kata

Get S* rank in the tutorial

Perform a meditation

Parry more than 30 times in one stage

Slam or swing enemies into 3 eggs

Visit the rainbow room in stage 5

Dodge shurikens

Kill enemies with scorpion kick

Perform 100 tombstones

Defeat 50 Samurai

Obtain 10 heads of Rockman