Kill an enemy with a ceiling collapse in Operation Metro

Play a round of Air Superiority

Perform 45 kills with the M1911 Handgun in Multiplayer

Deliver 5 bombs in Obliteration

Upgraded the supply depot to rank 10

Loot 2500000 supplies from the enemy

Lost 500 rifleman in battle

Promote the bomber in the command bunker

Kill an enemy with a ceiling collapse in Operation Metro

Find 12 collectibles in the Campaign

Experience all 3 endings in the Campaign

Complete the Campaign on Easy