Why is there no games based on World war 1?

[SmYsiZ]

Lostplanet22 said:
USA was not involved like in WWII. It was a war based on one front, A game like Valkyria Chronicles would be the best gameplay for a WWI game in my opinion.

First sentence so? Second yeah that would work VC would be a great game to put in that setting when i think about it..