Blow up the 4th wall in a level with a rocket launcher.

Get to Level 10.

Ignore an enemy.

Complete the Single Player Campaign.

Finish the tutorial.

Lose your first single-player mission.

Lose a unit to a rocket.

Defeat 'Bin' in multiplayer.

Win a game of Extermination.

Win a game of Charge.

Win a game of Disputed.

Win a game of Hostage.

Get to level 100.

Lose your first multiplayer game.

Change the map generation settings.

Play an Instant Skirmish and win with only your machine gunner left alive.