Micro Changes in Air Density
Track 100 hostile targets with the Motion Tracker
8/15/2008
2:10:26 AM
Rare 33.6%
Bearing the Burden
Complete 'Downfall' on Veteran difficulty. (Solo only)
8/11/2008
12:16:54 AM
Ultra Rare 2.3%
Huge investment
Buy a player in Manager Mode for 50 million of your chosen currency
8/6/2008
9:29:58 PM
Very Rare 9.9%
Strike with Attitude
Use The Missing Link’s Leap Attack for the first time.
7/31/2008
5:04:24 PM
Common 90.6%
Coming Outta the Walls!
Kill a Xenomorph climbing on the walls or ceiling
7/25/2008
11:59:29 PM
Common 77.5%
Relentless Assault
Successfully attack the base 10 times in Blitz (Public)
7/25/2008
4:56:21 PM
Ultra Rare 1.1%
Not Bad For a Human
Complete all Campaign levels on Hardened difficulty
7/25/2008
8:58:06 AM
Very Rare 5.3%
Most Wanted
Accumulate $50,000,000 in your career (Arcade Mode and Multiplayer Ranked Match).
7/19/2008
9:05:24 PM
Ultra Rare 2.9%
The most dangerous game
Be The Hunted/Stay the Hunted- in ranked, unranked, or split screen local-HUNTED GAME MODE for at least 4 minutes.
7/16/2008
5:34:10 AM
Ultra Rare 1.6%
MVP
In a ranked Blitz match that your team wins, be the only player on your team to capture a PHLAG.
7/14/2008
11:23:20 PM
Ultra Rare 0.8%
