Modern Warfare 2 introduced a new form of customization called Callsigns. These callsigns are varied and unique allowing players to distinguish themselves amongst an ocean of players. Most of these callsigns are unlocked by complete specific tasks or by perform certain actions.

Out of the 592 possible titles here are WRIXEL’s the TOP 10 Hardest to Achieve Callsigns in Modern Warfare 2:

droppincrates

Challenge: “Droppin’ Crates” – Get a Game Winning Killcam by dropping a crate on the enemy.

allpro_title

Challenge: “All Pro” – Get 2 headshots with 1 bullet.

theinvincible

Challenge: “Invincible” – Fully recover from enemy damage 5 times without dying. Screen must turn red/bloody

end_of_line

Challenge “End Game: II” – Call in 5 Nukes.

howthe

Challenge: “How the?” – Kill an enemy by using bullet penetration to blow up an explosive through a wall. FMJ is not Required

lightsout

Challenge: “Think Fast Flash” – Finish an enemy by hitting them with a flashbang (Direct impact).

perfectionist

Challenge: “Perfectionist” – Fire an entire Sniper magazine into your enemies without missing.

lastresort

Challenge: “Last Resort” – Get a game winning Killcam while in either Last Stand or Final Stand.

stickman

Challenge: “Stickman” – Stick a Semtex to the enemy in a Game Winning Killcam.

flatliner

Challenge: “The Brink” – Get a 3 or more kill streak while near death (screen flashing red).

Have you gotten any of these uber call signs?  Think you got a harder callsign to get?
Let us know!