Pursuit Force: Extreme Justice is the sequel to Pursuit Force developed by Bigbig Studios. This game is available for PlayStation Portable. A PS2 version was announced, but never released.
The player controls the Cop Commander of a special section of the police known as the Pursuit Force, to combat the cities gangs. The player can fight adversaries in cars, motorbikes, helicopters and boats as well as on the bonnet (USA: Hood) of cars and on foot. The player has to battle against five gangs across a vast fictional state (Capital State, featuring Capital City) in America. There are also several other features such as multiplayer levels for both PSP (Ad hoc mode) and PS2, challenge modes that include driving around certain vehicles without crashing, new Pursuit Force shop where you can buy certain things such as game art, videos and cheats.
Source: Wikipedia, "Pursuit Force: Extreme Justice", available under the CC-BY-SA License.