Halo - Spartan Assault

Cheats:
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Submitted by: David K.

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

Achievement                How to Unlock
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Overrun (10 points)      - Complete Operation A. 
Switched On (10 points)  - Complete Operation B. 
Switched Off (10 points) - Complete Operation C. 
Evacuated (10 points)    - Complete Operation D. 
Terminated (10 points)   - Complete Operation E. 
Brute Force (10 points)  - Finish the objectives using only the Brute Shot, melee
                           and grenades in Operation D, Mission 1.
Foot Soldier (10 points) - Finish the objective without using any vehicles/turrets
                           in Operation E, Mission 4. 
Recruit (5 points)       - Earn a star of any type.
Prodigy (5 points)       - Earn your first Gold star.
117 (20 points)          - Earn all Gold stars.
Pension Plan (10 points) - Earn 25000 XP throughout your career.
Skull Combo (10 points)  - Complete any mission with the maximum number of Skulls active.
Extra Credit (10 points) - Complete 75 challenges.