At the title screen, hold R1 + R2 + Square. If you entered the code correctly, the logo will flash. Then while playing a game, press Select to restore your character's energy to full.
| Infinite Mp | 800397E4 0000 800397E6 0000 |
| Infinite Opm | 800ADE38 03E8 |
| Fatal Strike | 800391FA 0063 |