Gearbox expanded into publishing with the creation of Gearbox Publishing in 2015. The company also owns the intellectual property of Duke Nukem and Homeworld. Their second original game series, Borderlands, commenced in 2009, and by 2015 had sold over 26 million copies.
It became their flagship franchise and spun off a comic book series, television documentary, books, and action figures.
In 2005, Gearbox launched its first independent set of games, Brothers in Arms, on console and mobile devices. Gearbox initially created expansions for the Valve game Half-Life, then ported that game and others to console platforms. Randy Pitchford, one of the founders, serves as president and chief executive officer. It was established as a limited liability company in February 1999 by five developers formerly of Rebel Boat Rocker. Gearbox Software is an American video game development company based in Frisco, Texas.