Finish the "Priority One" Campaign.
Finish all Campaigns on Extreme Difficulty.
Finish all Campaigns on Insane Difficulty.
Return 39 pieces of intel.
Open 50 hidden caches.
Do a successful Challenge run.
17 Achievements Unlocked
14 Achievements Unlocked
11 Achievements Unlocked
31 Achievements Unlocked
3 Achievements Unlocked
