Command and Conquer: Red Alert 3: Commander's Challenge

Achievements:
Complete each achievement to receive the allotted gamerscore.

Battle Hardened (20)      - Complete any 25 challenge missions
Battle Tested (10)        - Complete any 10 challenge missions
Big Game Hunter (5)       - Kill all of the giant bears in "Number One Threat to America"
First Blood (5)           - Complete the first challenge mission, "Dead Meat".
Future Leader (20)        - Complete all 50 challenge missions
Going Commando (5)        - Kill 20 Enemy Commandos
Killed A Ton (5)          - You killed 20 Desolator Troopers
King Of The World (50)    - Complete all 50 challenge missions under par time
Recycler (5)              - Kill 20 steel ronin
Star Pupil (5)            - Complete all lessons in the tutorial
Superior Commander (50)   - Complete all 13 main path challenge missions under par time
Victor (20)               - Complete all 13 main path challenge missions

 