Texas-based Gearbox Software is a respected development outfit, best known in modern times for its Borderlands series. Initially cutting its teeth developing Half-Life expansions for Valve, Gearbox went on to produce the popular Brothers In Arms series, after which it started work on Borderlands. The first Borderlands game was released in 2009 to a largely positive critical and public reception and has since spawned 2 mainline sequels along with a handful of spin-offs.