The Geek
Not unlocked yetComplete the game on Recruits difficulty.
Shark Man of the Delta
Not unlocked yetComplete the game on Regulars difficulty.
Demo Dick
Not unlocked yetComplete the game on Elites difficulty.
SNAFU
Not unlocked yetComplete mission 1 on any difficulty.
KISS
Not unlocked yetComplete mission 2 on any difficulty.
GNBN
Not unlocked yetComplete mission 3 on any difficulty.
PFDL
Not unlocked yetComplete mission 4 on any difficulty.
FUBAR
Not unlocked yetComplete mission 5 on any difficulty.
HUMINT
Not unlocked yetComplete mission 6 on any difficulty.
KATN
Not unlocked yetComplete mission 7 on any difficulty.
DOY
Not unlocked yetComplete mission 8 on any difficulty.
Double Tap
Not unlocked yetComplete an entire mission using only the pistol. (Single Player)
Getting Your Gun Off
Not unlocked yetKill at least one enemy with every weapon in the game. (Single Player)
Frag Out!
Not unlocked yetKill 20 enemies using grenades. (Single Player)
Now THIS is a Knife
Not unlocked yetKill 30 enemies using kill moves. (Single Player)
Never Knew What Hit Them
Not unlocked yetKill 50 unalerted enemies. (Single Player)
Improv
Not unlocked yetKill 20 enemies using explosive objects. (Single Player)
Guns Don't Kill People, SEALs Do
Not unlocked yetKill 30 enemies using sniper rifles. (Single Player)
Suppressing Fire
Not unlocked yetKill 20 enemies using blindfire. (Single Player)
Are These Guys For Real?
Not unlocked yetKill 50 Spetznaz. (Single Player)
Health and Safety
Not unlocked yetBlow up 20 fire extinguishers. (Single Player)
Migraine Breaker
Not unlocked yetKill 50 enemies with head shots. (Single Player)
Gang Bang
Not unlocked yetKill a group of 4 enemies with a grenade. (Single Player)
Dick Would Be Proud
Not unlocked yetComplete a mission without dying. (Single Player)