Complete the game on Easy
Complete the game on Normal
Complete the game on Hard
Complete the game on Extreme
Complete all Handgun training missions on Extreme difficulty
Complete all Submachine Gun training missions on Extreme difficulty
Complete all Assault Rifle training missions on Extreme difficulty
Complete all Shotgun training missions on Extreme difficulty
Complete all Sniper Rifle training missions on Extreme difficulty
Complete all Heavy Weapons training missions on Extreme difficulty
Complete all Knife training missions on Extreme difficulty
Complete all Throwing Weapons training missions on Extreme difficulty
Complete all Traps training missions on Extreme difficulty
Complete the CQC training mission on Extreme difficulty
Complete the Boss Rush Mode without losing any men
Complete the Boss Rush, taking down all bosses non-lethally
Use a fulton balloon to withdraw from a mission
Take a shortcut through the Launch Control Room on Extreme difficulty
Find all kerotans in one run on Easy
Find all kerotans in one run on Normal difficulty
Find all kerotans in one run on Hard difficulty
Find all kerotans in one run on Extreme difficulty
Complete Easy difficulty with no alerts without using any equipment
Complete Normal difficulty with no alerts without equipping weapons or items
Complete Hard difficulty with no alerts without equipping weapons or items
Complete Extreme difficulty with no alerts without equipping weapons or items
Receive the Hound codename on Easy
Receive the Doberman codename on Normal
Receieve the Fox codename on Hard
Receive the Foxhound codename on Extreme