Berserker
Use every berserk at least once in online Competitive mode.
12/14/2008
8:02:02 AM
Ultra Rare 1.2%
Point Man
Earn 1 million XP from ranked games in online Competitive mode.
12/14/2008
3:47:40 AM
Ultra Rare 2.1%
Party Person
Complete a level online with 3 other players who are on your friends list
12/13/2008
7:53:33 PM
Ultra Rare 3.4%
Specter Officer
Reach max level with one class in the Cooperative campaign.
12/10/2008
10:25:20 PM
Ultra Rare 2.3%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
12/8/2008
10:38:27 PM
Very Rare 6.2%
Speed Demon
(Single Player) Complete a lap in less than 37 seconds and finish a race
12/8/2008
4:25:25 PM
Rare 10.2%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
12/7/2008
3:41:04 PM
Very Rare 7.4%
Master Spy
Collect all the Intel documents in the single player Campaign.
12/7/2008
5:06:16 AM
Ultra Rare 2.2%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
12/5/2008
6:21:41 PM
Rare 10.9%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
12/5/2008
6:21:31 PM
Rare 15.6%
Rolling On Suds
(Single Player) Clean your car in the car wash and finish a race
12/4/2008
9:41:08 PM
Rare 26.3%
Bombtag Bully
(Multiplayer) Pass the bomb to the same player 3 times in 1 game
12/4/2008
8:54:37 PM
Rare 18.6%