Cheats for Dante's Inferno

Burst Mode	Clear Arcade mode with either ship, with a third different path.
Mission Mode	Clear Arcade mode with NEXT, and choose a different path.

Next	Clear Arcade Mode once.
Origin	Clear Burst Mode.

Beat the game in any difficulty to unlock it.

Beat the game once on any difficulty to unlock a Dante's inferno comic book

Beat the game once on any difficulty to unlock a Dante's inferno comic book.

Beat the game in any difficulty to unlock it.

Unlock Infernal Difficulty:

Beat the game once on any other difficulty

Unlock Gates of Hell, New Game Plus and Dante's Crusader Costume:

Dante's Crusader Costume	Complete the game and start a new game (or Resurrection Mode game), you'll be prompted to choose the costume before the game begins
Gates of Hell Survival Mode	Complete the game and it'll be selectable from the Main Menu
New Game Plus (Resurrection Mode)	Complete the game