Unlock Modes, Costumes, and Galleries
At the start screen hold L1 + L2 + R1 + R2 and rotate the Left Analog-stick. A voice will say "Devil May Cry."
Follow the guidelines below. Press either R1 or L1 during a mission select screen to toggle characters.
Finish on easy for shirtless Dante
Finish on normal for Devil May Cry 1 Dante
Finish on hard for version two of shirtless Dante.
Finish on hard to unlock the Legendary Dark Knight
Finish on hard to unlock Sparda
Kill 100 enemies while the credits roll, and you'll get a different ending screen.