Lighthouse Interactive has announced that Undercover - Operation Wintersun, a new WWII adventure developed by Sproing Interactive Media, has shipped to retail stores. Undercover - Operation Wintersun is set during the Second World War, in the heart of war-torn Europe, The story centers around the Nazis’ research into a secret and powerful weapons technology. The player is subtly drawn into a terrifying what-if scenario: it is up to him to thwart the horrible threat to all mankind posed by these research efforts. In the role of an undercover British MI6 agent, the player makes his way to Berlin.