Complete all the chapters in Episode 1.

Play one Online match.

Place a sticker or a decoration on another player's sackperson

While on defense, do not allow the attacking team to capture any of their objectives

It is foretold that revealing all 6 sigils will bring about light, and thus the sigils have been uncovered and light has been wrought from the shadow. Use all you have gained and search outside your vision for secrets within the world.

The force of nature has brought odd life to an even more unusual environment. Remember what you have learned here and it may be useful to you in the future.

Make the world tremble and the heavens shatter from within the shadows. The power to manipulate your environment has been unveiled and will prove essential in your struggles with nature.

In a Multiplayer Liar's Dice game, win with only one die left

Get a kill greater than 35 yards with a Tomahawk.

Kill 25 aliens in single player.

Complete "Hydroponics" in Co-op Assault.

Break the glass in a window (or witness another player doing this).

Create a living creature with at least 2 eyes, 2 legs or wheels, and a brain