call of duty modern warfare2 ps3

Unlock Extra Custom Class Slots

Reach the indicated Prestige level to unlock the corresponding Custom class slot.

Unlock 6th Custom Class Slot:
Reach 1st Prestige.

Unlock 7th Custom Class Slot:
Reach 2nd Prestige.

Unlock 8th Custom Class Slot:
Reach 4th Prestige.

Unlock 9th Custom Class Slot:
Reach 7th Prestige.

Unlock 10th Custom Class Slot:
Reach 10th Prestige.

Sixth Custom Class Slot

A sixth custom class slot becomes available when you reach level 70 in Multiplayer mode and then enter Prestige mode.

Professional Perks

Complete the following tasks to recieve the corresponding perk.

Danger Close Pro:
Get 100 kills with explosives while using Danger Close perk. Its effect is increased explosive weapon damage and extra air support damage.

Hardline Pro:
Get 40 Killstreaks with the Hardline perk. Its effect is that Killstreak rewards require one less kill and Deathstreak rewards require one less death.

Sitrep Pro:
Destroy 120 detected explosives or tactical insertions with the Sitrep perk. Its effect is detect enemy explosives and tactical insertions and louder enemy footsteps.

Cold-Blooded Pro:
Destroy 40 enemy Killstreak rewards with the Cold-Blooded perk. Its effect is is undetectable by UAV, air support, sentries, and thermal imaging; and no red crosshair or name when you are targeted.

Bling Pro:
Get 200 kills with a weapon with two attachments. Its effect is two primary weapon attachments and two secondary weapon attachments.

Commando Pro:
Using the Commando Perk get 20 melee kills. Its effect is increased melee distance and no falling damage.

Ninja Pro:
Using the Ninja Perk get 50 close range kills. Its effect is invisible to heartbeat sensors and silent footsteps.

Scavenger Pro:
Resupply 100 times with the Scavenger perk. Its effect is resupply from dead enemies and extra magazines.

Scrambler Pro:
Using the Scrambler perk get 50 close range kills. Its effect is jam enemy radar near you and delay enemy claymore explosions.

Steady Aim Pro:
Using the Steady Aim perk get 80 hip fire kills. Its effect is increased hip fire accuracy and longer hold breath duration.

Stopping Power Pro:
Get 300 Kills with the Stopping Power perk. Its effect is extra bullet damage and extra damage to enemy verticals 
Lightweight Pro:
Run 30 Miles with the Lightweight perk. Its effect is move faster and quick aim after sprinting.

Marathon Pro:
Run 26 Miles with the Marathon perk. Its effect is unlimited sprint and climb obstacles faster.

Sleight of Hand Pro:
Get 120 kills with the Sleight Of Hand perk. Its effect is faster reloading and aiming.

Killstreak Rewards

Reach the indicated number of consecutive kills in Multiplayer mode to unlock the corresponding bonus.

Unlock AC130 Gunship (be the gunner of the AC130):
11 Consecutive Kills

Unlock Attack Helicopter:
7 Consecutive Kills

Unlock Care Package (Drops Ammo/Killstreaks):
4 Consecutive Kills

Unlock Chopper Gunner (be the Gunner of the Helicopter):
11 Consecutive Kills

Unlock Counter UAV (Jams Enemy Radar's):
4 Consecutive Kills

Unlock Emergency Airdrop (4 Ammo/Killstreak Drops):
8 Consecutive Kills

Unlock EMP (Disables Electronics):
15 Consecutive Kills

Unlock Harrier Strike (Choose Bomb location and defending Harrier):
7 Consecutive Kills

Unlock Nuclear Strike (Kills everyone on Map):
25 Consecutive Kills

Unlock Pave Low (Armored Helicopter):
9 Consecutive Kills

Unlock Precision Airstrike (Drop Airstrike):
6 Consecutive Kills

Unlock Predator (Guided Missles):
5 Consecutive Kills

Unlock Sentry Gun (Deployable Gun):
5 Consecutive Kills

Unlock UAV (Shows Enemy Location):
3 Consecutive Killsid number:

Multiplayer Weapons and Equipment

Reach the indicated level in Multiplayer mode to unlock the corresponding item.

Handguns

Unlock USP .45 - Handguns Level 1

Unlock .44 Magnum (Colt Anaconda) - Level 26

Unlock M9 - Level 46

Unlock Desert Eagle - Level 62


Sniper Rifles

Unlock CheyTac Intervention - Level 1

Unlock Barrett .50 Caliber (M107) - Level 4

Unlock WA2000 - Level 36

Unlock M21 EBR - Level 56


Assault Rifles

Unlock FAMAS - Level 1

Unlock M4A1 Carbine - Level 4

Unlock SCAR-H - Level 8

Unlock TAR-21 - Level 20

Unlock FAL - Level 28

Unlock M16A4 - Level 40

Unlock ACR - Level 48

Unlock F2000 - Level 60

Unlock AK-47 - Level 70


Submachine Guns

Unlock UMP .45 - Level 1

Unlock MP5k - Level 4

Unlock Vector - Level 12

Unlock P90 - Level 24

Unlock Mini Uzi - Level 44


Light Machine Guns

Unlock L86 LSW - Level 1

Unlock RPD - Level 4

Unlock MG4 - Level 16

Unlock AUG HBAR - Level 32

Unlock M240 - Level 52


Shotguns

Unlock SPAS-12 - Level 1

Unlock AA-12 - Level 12

Unlock Striker - Level 34

Unlock Ranger - Level 42

Unlock M1014 - Level 54

Unlock Winchester 1887 - Level 67


Launchers

Unlock AT4-HS: Level 1

Unlock Thumper x2 (M79 Grenade Launcher) - Level 14

Unlock Stinger - Level 30

Unlock Javelin - Level 50

Unlock RPG-7 x2 - Level 65


Secondary Weapons

Unlock PP-2000 Machine Pistols - Level 1

Unlock Glock 18 - Level 22

Unlock M93 Raffica: Level 38

Unlock TMP: Level 58


Other

Unlock Frag Grenade - Level 1

Unlock Semtex - Level 1

Unlock Throwing Knife - Level 7

Unlock Tactical Insertion - Level 11

Unlock Blast Shield - Level 19

Unlock Claymores - Level 31

Unlock C4 - Level 43

Riot Shield Defense

If you equip the riot shield to one of your classes you will have defense from behind when you are holding your secondary weapon. The riot shield enables you to switch the direction of your defense which is useful in narrow corridors and stairwells.