Biohazard 4D-Executer is a Japanese computer-animated 3D horror film based on the Resident Evil series of survival horror video games. It was created by Capcom in cooperation with Visual Science Laboratory, and distributed by Digital Amuse. Biohazard 4D-Executer was directed by Koichi Ohata, and written by Daisuke Okamoto, who was supervised by the game series developers. A limited release, the 20-minute film has been an attraction in Japanese theme parks since November 2000, and can be seen in movie theaters and smaller booths. The story centers on the mission of a military squad sent to the zombie-infested Raccoon City to locate the whereabouts of Dr. Cameron, a female scientist conducting research on a new type of virus.