Win a game in each game mode.
Win a Contract match.
Kill multiple enemies with an explosive.
Finish the tutorial.
Purchase all Abilities equipment.
Purchase all equipment.
Be promoted to Lieutenant I.
Purchase all Scope equipment.
Purchase all weapons.
Kill an enemy with a silencer.
Win a Last Team Standing game.
Succeed a Level III challenge.
Win a game on each map.
Kill an enemy and yourself with a grenade.
Destroy an enemy explosive.
First weapons purchase.
Kill an enemy by sending his own grenade back to him.
Purchase all Projectiles equipment.
Purchase all Booby traps equipment.
Be promoted to Sergeant.
Finish off an enemy who has been stunned by a stun grenade.
Win a Capture the Flag game.
First equipment purchase.
Win a Team Deathmatch.
Kill an enemy through a wall.
Kill an enemy caught up in his grappling gear.
Win a Free For All game.
Kill an enemy with an explosive.
First use of a Drone.
Kill an enemy with a headshot.
Stab an enemy in the back.
Stab an enemy to death.
Succeed at all the challenges from level 3.
Win a match on each map for each game mode.
Reach the highest rank (Commander).
Succeed all Level I challenges.
