Call Of Duty - Modern Warfare 3

Cheat Codes:
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Submitted  by: David K.

Deathstreak bonuses:
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In Multiplayer mode, die in certain times to unlock bonuses. 

Unlockable        How to unlock
-------------------------------------------
Final Stand     - 4 deaths (unlocked at Level 32; puts the player 
                  into Last Stand mode upon death with the primary weapon)
Juiced          - 4 deaths (increase movement speed for a few seconds upon 
                  next spawn)
Martyrdom       - 4 deaths (unlocked at Level 51; drops a live grenade  
                  upon death)	
Hollow Points   - 5 deaths (unlocked at Level 71; bullets inflict more damage
                  for one kill)
Revenge         - 5 deaths (displays position of thelast enemy that killed 
                  you on the mini-map)
Dead Man's Hand - 6 deaths (unlocked at Level 57; puts the player into Last
                  Stand mode upon death with C4 equipped)


Level bonuses:
--------------
Reach the indicated level to unlock the corresponding bonus. 

Level 5: Throwing Knife 
Level 6: SCAR-L (Assault Rifle) 
Level 8: SPAS-12 (Shotgun) 
Level 10: P99 (Handgun) 
Level 11: Blind Eye 
Level 12: Dragunov (Sniper) 
Level 13: Scrambler (Tactical) 
Level 14: PKP Pecheneg (LMG) 
Level 15: Hardline 
Level 15: Revenge (Death Streak) 
Level 16: MP9 (Machine Pistol) 
Level 18: CM901 (Assault Rifle) 
Level 19: Sitrep 
Level 20: Specialist (Strike Package) 
Level 21: EMP Grenade (Tactical) 
Level 22: A550 (Sniper) 
Level 22: Extreme Conditioning 
Level 24: Javelin (Launcher) 
Level 26: AA-12 (Shotgun) 
Level 27: Assassin 
Level 28: PP90M1 (SMG) 
Level 29: Smoke Grenade (Tactical) 
Level 30: MP412 (Handgun) 
Level 31: Steady Aim 
Level 32: Type 99 (Assault Rifle) 
Level 33: Final Stand (Death Streak) 
Level 36: Skorpion (M. Pistol) 
Level 37: Bouncing Betty (Anti Personnel Mine) 
Level 38: P90 (SMG) 
Level 39: SCAVENGER 
Level 40: Stinger (Launcher; vehicle lock-on only) 
Level 42: G36C (Assault Rifle) 
Level 44: RSASS (Sniper) 
Level 45: Trophy System (deflects enemy explosives/missiles) 
Level 46: .44 Magnum (Handgun) 
Level 47: Overkill 
Level 48: Striker (Shotgun) 
Level 50: ACR (Assault Rifle) 
Level 51: Martyrdom (Death Streak) 
Level 52: XM25 (Launcher) 
Level 53: Claymore (Anti Personnel Mine) 
Level 54: MK46 (LMG) 
Level 55: Dead Silence 
Level 56: PM9 (SMG) 
Level 57: Dead Man's Hand (Death Streak) 
Level 58: Five Seven (Handgun) 
Level 60: MK14 (Assault Rifle) 
Level 61: Tactical Insertion (marker to place your next re-spawn) 
Level 62: Model 1887 (Shotgun) 
Level 64: M320 GLM (Launcher) 
Level 66: MSR (Sniper) 
Level 68: AK-47 (Assault Rifle) 
Level 69: C4 Explosives 
Level 70: G18 (Machine Pistol) 
Level 71: Hollow Points (Death Streak) 
Level 72: M60E4 (LMG) 
Level 74: MP7 (SMG) 
Level 76: Desert Eagle (Handgun) 
Level 77: Portable Radar (shows enemy moment within its radius) 
Level 78: FAD (Assault Rifle) Level 80: RPG-7 (Launcher)


Weapon Proficiencies:
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Here is the list of weapon proficiencies you can unlock for every weapon in 
Call of Duty: Modern Warfare 3. 

Unlockable    How to unlock
---------------------------------------
Kick        - Reduced recoil.	
Range       - Increased range.	
Attachments - Equip two attachments to the same weapon.	
Focus       - Reduced flinch when shot.	
Melee       - Faster melee.	
Stability   - Reduced sway.	
Impact      - Better bullet penetration through walls.	
Speed       - Faster movement with weapon equipped.	
Damage      - Shells do more damage.	
Breath      - Hold breath while aiming down the sights.	


Quicker Melee:
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Remember you could melee faster with Akimbo USP .45s in Call of Duty: Modern Warfare 2?
Well you can still do it in Call of Duty: Modern Warfare 3. Just equip USP Akimbo and 
use your knife, you will noticed that you will be pulling out your knife faster.