WWII

Zombie Army 4: Dead War is the standalone continuation of the Zombie Army Trilogy, from the creators of Sniper Elite. The game uses the in-house Asura engine.

Wolfenstein II: The New Colossus is the highly anticipated sequel to the critically acclaimed, Wolfenstein: The New Order developed by the award-winning studio MachineGames. An exhilarating adventure brought to life by the industry-leading id Tech 6, Wolfenstein II sends players to Nazi-controlled America on a mission to recruit the boldest resistance leaders left. Fight the Nazis in iconic American locations, equip an arsenal of badass guns, and unleash new abilities to blast your way through legions of Nazi soldiers in this definitive first-person shooter.

Sniper Elite 4 is a third-person tactical shooter stealth video game developed by Rebellion Developments and a sequel to Sniper Elite III.

Play in realistic WWII scenarios featuring authentic uniforms and 20 weapons like the flamethrower for example. This time you can customize your squad and your strategy to fit the different mission's requirements.
The game includes a single player campaign located in the Pacific from the Philippines to Okinowa.This FPS comes also with the possibility of driving tanks and other vehicles in the field.

Enemy Front is a first-person shooter set during World War II. The player takes control of the American war correspondent Robert Hawkins who fought along with the resistance fighters in various locations in Europe such as Germany, France and Norway, along with the Warsaw Uprising in Poland. The game starts with an audio broadcast where Hawkins announces he will tell the story of what he has seen and the game is then played as a flashback.

Beyond Normandy: Assignment Berlin is a 2003 first-person shooter and the final entry in the Elite Forces series of budget games.

Source: http://crappy-games.wikia.com/wiki/Beyond_Normandy:_Assignment_Berlin

Exact release date is unknown. MobyGames says it was released on October, 2003.

Sniper: Art Of Victory is a single person WW2 shooter based on the siege of Stalingrad.

Battlestrike: Force of Resistance is the third installment in the Mortyr series. You plunge back into the alternate timeline in 1943 where the Third Reich have taken control of all Europe.

In this new Commandos game, converted from real-time strategy to first person shooter with a tactical component, you'll play as a Green Beret for the fast action, as a Sniper for the tactical shooting and as the Spy for the stealth and sabotage bits. In some missions you could use two of them, changing from one to another in real time.