Defeat the Brawler in the Post Office in under 2 minutes

Kill 5 Longlegs in mid-jump

Reached a depth of 1,000m.

Rate 50 brand new community levels (less than 10 plays)

Attempt "The Rescue" and survive.

Purchase all abilities for one character class.

Fully upgrade an ability.

17 Hunters Killed (lifetime)

Kill an enemy with each weapon type including special weapons.

Complete the fourth mission of the U.S.S. campaign.

Kill an infected teammate with a headshot before they become a zombie in any mode.

Complete the third mission of the U.S.S. campaign.

Complete the second mission of the U.S.S. campaign.