So, I'm seeing at lot of comments on other sites that state Gearbox basically outsourced most of the game. Timegate Studios (Section 8 and the F.E.A.R expansions people) did the single player while Nerve Software (they've done some work on other games) handled most of the multiplayer.
the majority of Gearbox Software's Aliens: Colonial Marines was not actually built by Gearbox, a report suggests...comments from an ex-Gearbox developer dug up by Superannuation suggest that the majority of the game was outsourced to TimeGate Studios, developer of downloadable console shooter Section 8: Prejudice and various FEAR expansion packs.
"Hate to say it, but I wouldn't get your hopes up too high for Colonial Marines," the ex-dev wrote last year. "I used to work at Gearbox, and the development of that game has been a total train wreck, going on what, six years now?
http://www.eurogamer.net/articles/2...o-section-8-developer-timegate-studios-report
Gearbox is totally overrated...whenever a game tanks they shift the blame to someone else while taking full credit for Borderlands and BIA