In Modern Warfare 2 perks are special abilities / power ups for multiplayer combat. There are only 3 perk slots available to you and each slot consist of different types of perks, so choosing the right ones for your class is crucial.

Unlike in the previous Call of Duty games, each perk can now be upgraded to a Pro version by completing its challenge. Note: Pro perks are additions to each perk, they don't replace them.


First Tier


Unlimited sprint Marathon Pro: Ability to vault over obstacles faster 

How to unlock: Run 26 Miles with Marathon Perk 

Sleight of Hand

Faster reloading Sleight of Hand Pro: Faster ADS 

How to unlock: Get 120 Kills with Sleight of Hand Perk 


Full resupply from dead enemies Scavenger Pro: Spawn with extra ammo. Replaces Bandolier. 

How to unlock: Resupply 100 times with Scavenger Perk 


2 primary weapon attachments Bling Pro: 2 secondary weapon attachments

How to unlock: Get 200 Kills with a Weapon with Two Attachments

One Man Army

Swap classes at any time One Man Army Pro: Faster class swap 

How to unlock: Get 120 Kills using One Man Army 

Second Tier

Stopping Power
Increased bullet damage Stopping Power Pro: Increased damage versus vehicles (AC-130, Helicopter, Pave Low); unlocked by getting 500 kills with Stopping Power equipped 

How to unlock: Get 300 Kills with Stopping Power Perk 


Move faster Lightweight Pro: Quick aim after sprinting 

How to unlock: Run 30 Miles with Lightweight Perk 


Killstreaks require 1 less kill Hardline Pro: Death streaks require 1 less death 

How to unlock: Get 40 Killstreaks (2 or more in a row without dying) with Hardline Perk 


Makes the user invisible to enemy UAV's, enemy helicopters and enemy controlled killstreaks(such as AC-130's) Cold-blooded Pro: No red crosshair or name when targeted 

How to unlock: Destroy 40 enemy Killstreak Rewards with Cold-Blooded Perk 

Danger Close

Increase explosive damage like Sonic Boom and Fireworks. Danger Close Pro: Increased explosive damage from killstreaks. 

How to unlock: Get 100 Kills with Explosives while using Danger Close Perk 

Third Tier


Increased melee lunge distance Commando Pro: No fall damage taken 

How to unlock: Get 20 Melee Kills using Commando Perk 

Steady Aim

Increased hip-fire accuracy Steady Aim Pro: Replaces Iron Lungs 

How to unlock: Get 80 Hip Fire Kills using Steady Aim 

Scrambler Jams the enemy radar when they are close enough Scrambler Pro: Delay enemy claymores 

How to unlock: Get 50 Close Range Kills using Scrambler Perk 


Makes Player invisible to the Heartbeat Sensor Ninja Pro: Significantly quieter footsteps. (Replaces Dead Silence) 

How to unlock: Get 50 Close Range Kills using Ninja Perk 


Detect enemy explosives and Tactical Insertion (replacement for Bomb Squad) SitRep Pro: Hear enemy footsteps better 

How to unlock: Destroy 120 Detected Explosives or Tactical Insertions with Sitrep Perk 

Last Stand

Fall to the ground, and try to kill any enemies. Last Stand Pro: Use your equipment in last stand 

How to unlock: Get 20 Kills while in Last Stand