A.B. Cop is a futuristic 3D racing arcade game released by Sega in 1990. Gameplay is similar to that of Chase HQ. The player takes on the role of the A.B. (Air Bike) Cop who must chase down and destroy the perpetrators of an armed robbery before the time limit expires. A.B Cop introduced an element new to the racing genre: the end-of-level guardian. Source: Wikipedia, "A.B. Cop", available under the CC-BY-SA License.