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