There are seven bonus costumes to unlock.

  • Costume 1: Complete the game on any difficulty.
  • Costume 2: Complete the game on any difficulty.
  • Costume 3: Complete the game on God Mode.
  • Costume 4: Complete the game on Titan mode.
  • Costume 5: Complete the game on Titan mode.
  • Costume 6: Collect 20 Cyclops Eyes in the main game.
  • Costume 7: Receive the God ranking in Challenge mode.