Aliens: Colonial Marines

Micro Changes in Air Density
Common

Track 100 hostile targets with the Motion Tracker

Achievement Unlocked By

Rank Gamertag Gamer Time Unlocked
1 IX SkyRanger IX
06 Feb 2013 19:31:03
06 Feb 2013 19:31:03
2 d4rk antares
08 Feb 2013 15:52:15
08 Feb 2013 15:52:15
3 L3ST3R 420
08 Feb 2013 19:04:59
08 Feb 2013 19:04:59
4 I Nowo
08 Feb 2013 22:41:37
08 Feb 2013 22:41:37
5 ViPeRmOrTyR
09 Feb 2013 03:26:20
09 Feb 2013 03:26:20
6 wilson576
09 Feb 2013 10:32:13
09 Feb 2013 10:32:13
7 Hardy Bunglist
09 Feb 2013 13:08:59
09 Feb 2013 13:08:59
8 P Dot Kr00k
09 Feb 2013 15:15:30
09 Feb 2013 15:15:30
9 XO Snatchy
09 Feb 2013 17:45:59
09 Feb 2013 17:45:59
10 SleaterKinney
10 Feb 2013 01:45:44
10 Feb 2013 01:45:44
11 manix59800
10 Feb 2013 04:04:42
10 Feb 2013 04:04:42
12 OBY83
10 Feb 2013 12:24:09
10 Feb 2013 12:24:09
13 O O Chaser
10 Feb 2013 20:26:53
10 Feb 2013 20:26:53
14 DOUGUI DOOG
10 Feb 2013 23:12:35
10 Feb 2013 23:12:35
15 IXI REAVER IXI
11 Feb 2013 03:14:18
11 Feb 2013 03:14:18
16 SDREW44
11 Feb 2013 06:24:48
11 Feb 2013 06:24:48
17 Fatnowonda
11 Feb 2013 13:40:05
11 Feb 2013 13:40:05
18 Grimlocke Prime
11 Feb 2013 13:43:13
11 Feb 2013 13:43:13
19 VodCrack
11 Feb 2013 14:01:03
11 Feb 2013 14:01:03
20 Beard Knight
11 Feb 2013 14:52:57
11 Feb 2013 14:52:57
21 Its Buuuba
11 Feb 2013 16:13:45
11 Feb 2013 16:13:45
22 Burk Feed Me
11 Feb 2013 17:13:46
11 Feb 2013 17:13:46
23 Khazrak
11 Feb 2013 18:01:42
11 Feb 2013 18:01:42
24 Assassin Corvo
11 Feb 2013 21:54:31
11 Feb 2013 21:54:31
25 So many Bears
12 Feb 2013 10:11:06
12 Feb 2013 10:11:06
60
1,250
903
479
0
Developer
Gearbox Software
Publisher
SEGA
Platforms
Xbox 360
Tracking is available for this game.

Downloadable Content

Achievement Breakdown

Game Leaders

1. Bazilio666 1,250
2. DukeTheStranger 1,250
3. NOCT SHADLES 1,250
4. Goggs25 1,250
5. NCRRANGER1254 1,250
6. msc 10 1,250
7. Hawkes67 1,250
8. FPSDeath 1,250
9. SupaSonic1972 1,250
10. DER NACHO 1,250
11. Biohazard071220 1,250
12. BigNev44 1,250
13. Your Off Chops 1,250
14. v5v 1,250
15. Learn Ya 1,250