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