Bought a Slot
Bought one Plasmid or Tonic Slot at a Gatherer's Garden.
10/18/2010
3:24:34 AM
Common 51.4%
Adopted a Little Sister
Adopted a new Little Sister for the first time.
10/17/2010
3:29:24 AM
Common 63.2%
Upgraded a Weapon
Upgraded a weapon at a Power to the People Station.
10/17/2010
2:33:55 AM
Common 64.5%
Protector
Defended yourself against Lamb's assault in the train station.
10/17/2010
2:16:50 AM
Common 67.6%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
9/5/2010
6:16:38 PM
Rare 17.0%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
8/28/2010
3:34:33 AM
Ultra Rare 4.7%
Der Electrician!
Link all teleport pads before round 7. (Map Pack 3 only)
8/26/2010
2:22:30 AM
Very Rare 7.6%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
8/12/2010
4:29:24 AM
Very Rare 5.4%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
6/27/2010
7:17:43 PM
Very Rare 7.0%
One Bad Gato
Complete 'Blackcats' on Veteran difficulty. (Solo only)
6/13/2010
1:25:51 AM
Ultra Rare 3.9%
