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.