You have used an airstrike to kill 3 enemies.

You have upgraded one upgrade category to the maximum.

You have used each heavy weapon in one mission.

You have killed 50 enemies with airstrikes.

You have failed the first mission.

You have completed the tutorial.

You have destroyed 30 tanks.

You have killed 2,000 enemies.

You have lost 5 troopers to mines.

You have had at least 3,000,000 Command Points.

You have collected 1,000 Dog Tags.

You have ordered 50 packages from HQ.

Your machine gunner has killed 50 enemies.

You have completed Operation 1.

You have completed Operation 2.

You have completed Operation 3.

Unlocked the first gated area.

Killed 200 plague chickens.

Got a full squad in the last zombie map.

You have used 5 different uniforms in battle.