Solved the cube.

Destroy an enemy air support vehicle.

Capture 100 objectives.

Kill an enemy by bashing in a door.

Kill an enemy with an enemy's live grenade.

Kill an enemy while blinded by a flashbang

Kill 3 enemies with a headshot in a row.

Win a match of Firefight.

Be the Most Valuable Player of a round.

Kill an enemy with a knife.

Kill three or more enemies with a single grenade or explosive.

Destroy an enemy weapon cache using a remote explosive charge.