Here are some rules for using the Ogre/GEV rules for playing World War 2 games.
World War Two
World War 2 France One Page Board Game
World War 2 France is a one page board game free for the downloading. It’s about France. In World War 2. Natch.
Assault On Belgium Board Wargame
Assault on Belgium is a traditional hex-and-counter board game free for the downloading. It simulates the German invasion of that country in 1940.
D-Day 1/72 Scale World War II Miniatures Rules
Brian Gills D-Day Rules are designed for 1/72 scale wargames miniatures.
Malta Convoy Dice Game
Malta Convoy is a WWII Simulation of the Allied relief convoy to the British island stronghold of Malta in August 1942.
It looks pretty good, and I think there’s the basis of an interesting campaign game here.