Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
7/17/2013
9:33:42 AM
Very Rare 5.4%
GG Bridge
In Mob of the Dead, survive an entire round on the bridge on round 15 or higher.
5/18/2013
10:12:41 AM
Ultra Rare 4.3%
Paranormal Progress
In Mob of the Dead, open a door without spending points.
5/18/2013
8:14:57 AM
Very Rare 7.8%
Mad Without Power
In Die Rise, reach round 10 before turning on the power.
4/22/2013
5:05:12 PM
Ultra Rare 2.6%
Party Animal
Win 10 multiplayer games while playing in Party Games playlists.
4/17/2013
5:07:54 PM
Rare 17.7%
Slippery When Undead
In Die Rise, kill 5 zombies with a single shot from the Sliquifier.
3/10/2013
2:04:07 PM
Ultra Rare 3.6%