Operation: The Last Stand is an intense first-person shooter game where you take on the role of a soldier in a desperate battle against an overwhelming enemy force. You must use your wits and skills to survive and fight your way through a series of intense missions. As
From Wikipedia
Operation Epsilon was the codename of a program in which Allied forces near the end of World War II detained ten German scientists who were thought to have worked on Nazi Germany's nuclear program. The scientists were captured between 1 May and 30 June 1945, as part of the Allied Alsos Mission, mainly as part of its Operation Big sweep through southwestern Germany.