Grand Theft Auto III. Signs can be seen at the AMCo. gas station in Harwood, Portland Island and in Bedford Point, Staunton Island. It is a parody of Pepsi. FunCola has only been used in Grand Theft Auto III, it never appeared again in any other Grand Theft Auto game. From Grand Theft Auto: Vice City and later games on, FunCola is replaced by other products like eCola and Sprunk.