Call of Duty: Modern Warfare II

Kill the enemy in the porta-potty.

Kill gassed or blinded enemies using a molotov, semtex and frag in 'Prison Break'.

Kill 3 enemies while underwater in 'Wetwork'

Finish all Campaign missions on Veteran or Realism difficulty.

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

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

Find 20 intel fragments in Co-op.

Open three Safes in the Campaign.

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

Complete 'Low Profile' without triggering any Alarms.

Finish 'Alone' without firing a gun.

Earn three Stars in 'Denied Area'.

Reach Price using the first vehicle you hijack.

Earn three Stars in 'Defender: Mt. Zaya'.

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

Reach the barge without being seen in 'Wetwork'.

Earn three Stars in 'Low Profile'.

Complete the CCTV sequence in 4 minutes.

Never trigger the alarm in 'Recon by Fire'.

Earn at least one Star in Co-op.

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

Drive 5 types of vehicles in 'Violence and Timing'.

Finish the Campaign on any difficulty.

Kill 3 Enemies with the Riot Shield in the Campaign or Co-op.