Call of Duty: Modern Warfare 2

Shoot three enemies while underwater in 'Wetwork'.

Rescue the hostages in 'Countdown' without the enemies firing their weapons.

Finish 'Alone' without firing a gun.

Drive five vehicle types in 'Violence and Timing'.

Reach the penthouse in 'El Sin Nombre' without killing anyone or triggering the alarm.

In 'Dark Water' advance 90 meters towards the front of the ship without touching the deck.

Reach Price using the first vehicle you hijack.

Open three safes in the Campaign.

Kill three Enemies with the Riot Shield in the Campaign or in Co-op.

While affected by one Flashbang, kill two enemies in the Campaign or in Co-op.

Shoot all the targets in the training area in 'Ghost Team'.

Complete the CCTV sequence in four minutes.

Kill gassed or blinded enemies using a Molotov, Semtex and Frag in 'Prison Break'.

Finish all Campaign missions on Veteran or Realism difficulty.

Finish the Campaign on any difficulty.

Never trigger the alarm in 'Recon by Fire'.