WWII

Silent Hunter 5: Battle of the Atlantic
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Call of Duty: World at War is a 2008 PC game developed by Treyarch

Order of War is a World War II Strategy video game developed by Wargaming.net and published by Square Enix

World War 2 Flight Sim where you get to fly planes and stuff

PT Boats: Knights of the Sea is a naval simulation that places gamers in charge of a mosquito fleet of the Allied Forces, Russia or Germany during the height of World War II. Torpedo and storm-boats, trawlers and patrol ships plough the seas. Their advantage is speed and maneuverability. Suddenly they appear in front of the enemy with devastating firepower and then vanish in the morning haze. They are hard to spot and difficult to catch.

World War II FPS shooter. Sequel to the original UberSoldier.

ÜberSoldier follows the journey of the fictitious Karl Stolz, a German soldier who has, through the process of being killed in duty, then being resurrected, acquired supernatural powers which aid him in combat. Just before he was indoctrinated by the Nazis, a member of the German Resistance rescued him and effectively changed his loyalties. Karl Stolz now became the ÜberSoldier of the German Resistance helping them destroy the "ÜberSoldier fabrication" infrastructure.

Battlefield 1942 is a multiplayer FPS from DICE and EA Games. It's set in various battlegrounds of WWII, where players fight as GI infantry, and have the ability to pilot various vehicles.

Commandos 2: Men of Courage is a 2001 real time strategy game by Eidos

Faces of War is a 2006 world war 2 real time strategy game for the PC