Zero Hour: America's Medic
Zero Hour: America's Medic is a first person video game that is designed to train and exercise first responders to respond to mass casualty incidents such as earthquakes and terrorist attacks. Zero Hour was designed by George Washington University's Office of Homeland Security and Virtual Heroes, Inc. on a 4.8 million dollar grant from the Department of Homeland Security. Zero Hour is developed using Unreal Engine 3. It was released in May 2009.