Girlfriend mode is an unofficial term for a mode of playing the game Borderlands 2. From the original Eurogamer story with Gearbox Software: The skill tree is called Best Friends Forever, what lead designer John Hemingway dubbed the "girlfriend mode". Randy Pitchford, the studio president, defended the company against sexism charges, saying it was not an official name. Stephen Totilo at Kotaku suggested that it should be called "co-star mode", from Nintendo's Super Mario Galaxy: