First die 3 times in a row to get Yasashi mode. now at the main menu pick Tokuten. Then pick easy difficulty.
Get Hard Mode & man in Black Mode & Team Onimusha Mode
Finish the game 1 time
Get One Hit Kill Mode
Finish the game 1 time using Team Onimusha Mode
Kick ass mode
Successfully complete the game on the hard difficulty setting to unlock the kick ass difficulty setting.
Ending bonuses
Successfully complete the game to unlock the Scenario Route option, Man In Black Suit mini-game, and Team Onimusha mode.
Strongest equipment mode
Successfully complete the game on the hard difficulty setting. Then, start new game to begin with the Blazing Fire Sword, 20,000 in money, 30 Intense Medicines, 10 Wood, all level 3 armors, infinite ammunition, and skill always full.
Mind twister mode
Successfully complete the game with all eighteen artworks to unlock mind twister mode.
Leather costume
Successfully complete the game with the "Onimusha" rank to unlock a leather costume.
Oyuu's alternate costume
Get a 100% scenario completion to unlock an alternate costume for Oyuu.
