Grand Prix 4, commonly known as GP4 is a Formula One racing simulator game co-developed by Geoff Crammond's development studio Simergy and Infogrames' Chippenham development studio, and published by Infogrames. Released for the PC on June 21, 2002, it is the last entry in Crammond's Grand Prix series, and the last entry released under the MicroProse label. Based on the 2001 Formula One season, GP4 is a graphical and physics update from the previous version, Grand Prix 3, which was released in 2000.