Win a wall mini-game in combat.

Enter the Canyon.

Defeat an enemy with one shot.

Use Auto Injector 50 Times

Complete 'Welcome To Bad Company' on hard

Obtain a medal for every cell in Vertigo.

Execute your first successful barrel roll.

Complete all levels in The Metropolis

Complete all levels in The Canyons

Win a 4-player game

Complete a level with more than one player

Collect 1,000,000 points over all levels you have played

Get 150 kills with the Carbine 40mm, LAARK, or frag grenade in the single player Campaign.