Tenchu Senran - Platform: Xbox 360

Achievements:
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Complete each achievement to get the allotted gamerscore.

Unlockable - How to Unlock 
1 Secret Mission Cleared (20) - Clear 1 secret mission. 
2 Secret Missions Cleared (20) - Clear 2 secret missions. 
2 Secret Missions Cleared (30) - Clear 3 secret missions. 
4 Secret Missions Cleared (40) - Clear 4 secret missions. 
5 Secret Missions Cleared (50) - Clear 5 secret missions. 
Cleared Story (50) - Clear the story. 
Mission 10 Cleared (20) - Clear up to mission 10. 
Mission 20 Cleared (30) - Clear up to mission 20. 
Mission 30 Cleared (30) - Clear up to mission 30. 
Mission 40 Cleared (40) - Clear up to mission 40. 
Mission 5 Cleared (20) - Clear up to mission 5. 
Mission 50 Cleared (50) - Clear up to mission 50.