Difficulty: Son of Sparda
Task: Complete the game on any difficulty.
Description: Tougher enemies appear earlier in the game, enemies gain new attacks.

Difficulty: Heaven or Hell
Unlock: Complete the game on Son of Sparda difficulty.
Description: Dante and enemies die in one hit. Otherwise, the same as Son of Sparda.

Difficulty: Hell and Hell
Unlock: Complete the game on Heaven or Hell difficulty.
Description: Dante will die in one hit, while enemies spawn with full health at Son of Sparda difficulty.

Difficulty: Dante Must Die!
Unlock: Complete the game on Son of Sparda difficulty.
Description: More enemies spawn, more waves of enemies spawn, enemies have more health and deal more damage.