Seven Pairs
Collect two of each different tile pattern in mahjong.
10/23/2011
12:06:26 PM
Ultra Rare 2.4%
Chain of Death
Multi-kill -- Detonate a chain of 5 consecutive Vengeance Launcher rounds, killing 10 enemies.
10/17/2011
9:52:21 PM
Ultra Rare 2.1%
Brute Force...Unleashed
Complete a Chapter of the single-player game using only the Vengeance Launcher and Power Axe.
10/17/2011
8:44:31 PM
Ultra Rare 2.5%
Burn Them All
Complete a Chapter of the single-player campaign using only Plasma weapons.
10/17/2011
7:22:08 PM
Ultra Rare 2.3%
