MW2 Unlockables Ans How To Complete Campaign On Veteran Without Playing

Hint: Complete "No Russian" on Veteran Without Playing It
Beat No Russian on any difficulty and select it a second time. Choose Veteran this time and, when the level starts, choose to skip it. The level will be marked as complete.


Unlockable: Camos
Complete the Ghillie in the Mist challenge to unlock different camos (ghillie suits) for use with your sniper classes:
Artic camo - Get 50 one-shot kills with sniper rifles
Urban camo - Get 100 one-shot kills with sniper rifles
Desert camo - Get 200 one-shot kills with sniper rifles
Unlockable: Extra Custom Class Slot
Reach level 70 in multiplayer and enter Prestige Mode to unlock an additional custom class slot for a total of six.
MW2 rules
Unlockable: Equipment
The following weapons and equipment can be unlocked by attaining the (multiplayer) levels below:
Assault Rifles
FAMAS - Lvl. 1
M4A1 Carbine - Lvl. 4
SCAR-H - Lvl. 8
TAR-21 - Lvl. 20
FAL - Lvl. 28
M16A4 - Lvl. 40
ACR - Lvl. 48
F2000 - Lvl. 60
AK-47 - Lvl. 70
M14 EBR - Campaign Only
G3 - Campaign Only
Submachine Guns
UMP .45 - Lvl. 1
MP5k - Lvl. 4
Vector - Lvl. 12
P90 - Lvl. 24
Mini Uzi - Lvl. 44
Light Machine Guns
L86 LSW - Lvl. 1
RPD - Lvl. 4
MG4 - Lvl. 16
AUG HBAR - Lvl. 32
M240 - Lvl. 52
Sniper Rifles
CheyTac Intervention - Lvl. 1
Barrett .50 Cal (AKA M107) - Lvl. 4
WA2000 - Lvl. 36
M21 EBR - Lvl. 56
Dragunov - Campaign Only
Secondary Weapons
PP-2000 - Machine Pistols Lvl. 1
Glock 18 - Lvl. 22
M93 Raffica - Lvl. 38
TMP - Lvl. 58
Shotguns
SPAS-12 - Lvl. 1
AA-12 - Lvl. 12
Striker - Lvl. 34
Ranger - Lvl. 42
M1014 - Lvl. 54
Winchester 1887 - Lvl. 67
W1200 - Campaign Only
Handguns
USP .45 - Handguns Lvl. 1
.44 Magnum aka Colt Anaconda - Lvl. 26
M9 - Lvl. 46
Desert Eagle - Lvl. 62
M1911 - Campaign Only
Launchers
AT4-HS - Lvl. 1
Thumper x2 aka M79 grenade launcher - Lvl. 14
Stinger - Lvl. 30
Javelin - Lvl. 50
RPG-7 x2 - Lvl. 65
Other
Frag Grenade - Lvl. 1
Semtex - Lvl. 1
Throwing Knife - Lvl. 7
Tactical Insertion - Lvl. 11
Blast Shield - Lvl. 19
Claymores - Lvl. 31
C4 - Lvl. 43
Knife
Ice Picks
Smoke grenade
Stun grenade
Attachments
Red Dot Sight
EOTech Holographic Weapon Sight
MARS Sight
ACOG Sight (and various telescopic sights that are specific to certain guns)
Thermal Scope
Suppressor
Grenade Launcher
Heartbeat Sensor
Shotgun
Extended Magazine
Full Metal Jacket ammunition (replacement for Deep Impact)
Sniper Scope (will not take up an attachment slot, just like in Call of Duty 4)
Akimbo
Rapid Fire (replacement for Double Tap)
Foregrip
Tactical Knife
Unlockable: Museum Stage
complete the campaign on any difficulty to unlock the museum. In each of the exhibit halls with character models, pressing the red button (which helpfully displays "Do NOT Press ...") will immediately bring the characters to life and they will immediately attempt to kill you.
Unlockable: Killstreak Rewards
You can unlock the following rewards by meeting the Killstreak requirements below:.
3 - UAV (Reveals enemies on minimap)
4 - Care Package (ammo / killstreak air drop -- can be collected by anyone)
4 - Counter UAV (disable enemy maps)
5 - Sentry Gun (airdropped)
5 - Predator (directed missile)
6 - Precision Airstrike (choose a location to bomb)
7 - Harrier Strike (choose a location to bomb and defend with a Harrier)
7 - Attack Helicopter (helicopter backup)
8 - Emergency Airdrop (four ammo / killstreak air drops -- can be collected by anyone)
9 - Pave Low (armored helicopter backup)
11 - Chopper Gunner (operate a helicopter gun)
11 - AC130 (operate a plane gun)
15 - EMP (disable enemy electronics)
25 - Nuclear Strike (kills all members of both teams