Hell difficulty:
Successfully complete the game under the Hard and Chaos difficulty settings.

Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.

Stage 1 Cleared: Complete stage 1.

Stage 2 Cleared: Complete stage 2.

Stage 3 Cleared: Complete stage 3.

Stage 4 Cleared: Complete stage 4.

Stage 5 Cleared: Complete stage 5.

Stage 6 Cleared: Complete stage 6.

Easy Difficulty Mode Cleared: Complete all stages in easy mode.

Normal Difficulty Mode Cleared: Complete all stages in normal mode.

Hard Difficulty Mode Cleared: Complete all stages in hard mode.

Additionally, there are five secret achievements.