Battle: Los Angeles

Private

Complete the game on Easy Difficulty

Kaboom

Destroy the gas station

Pool and Dive

Survive the pool attack

Droppin Bombs

Call in the airstrike to defeat the Command Center

Seen Your Video

Watch an unlocked video

Staff Sergeant

Complete the game on Normal Difficulty

Long Range

Kill 20 enemies with a sniper rifle

Color Me Impressed

Complete a mission on Normal without dying, failing, restarting, or continuing campaign

Hummer

Kill 15 enemies on the HMV turret

Rocketman

Kill 2 aliens with one Rocket

Sergeant Major

Complete the game on Hard Difficulty

One Hundo

Unlock all the unlockables