Unlockable - Unlockables |
| Issen mode | Beat the game on Hard mode. |
| Hard mode | Beat the game on normal mode. |
| Panda costume | Complete the secret training mode. |
| Jacuqe's alternate costume | Beat the game on normal mode. |
| Michelle's second alternate costume | Beat the game with Onimusha rank. |
| Michelle's alternate costume | Beat the game on normal mode. |
| Oni Hard mode | Beat the game on Issen mode. |
| Ultimate mode | Clear the Oni shooting mini-game. |
| Original Onimusha swords (new game) | Clear the game with all three items from the Phantom Realms. |
| Bishamon sword | Beat the game with Onimusha rank. |
| Oni Musou | Have Jacque go through the Phantom Realm in Honnouji. |
| Adventures of Heihachi mode | Beat the game once. |
| Genma Puzzle mini-game | Solve all puzzles in the game. |
| Oni Shooting mini-game | Beat the game on normal mode. |
| Secret training mode | Beat the game with the normal training mode cleared. |
| Ako's Black Haori | Clear the Issen training. |
