I'm convinced a Call of Duty Civil War edition could work.

[voty2000]

People would just be pissed at the gun reload times unless they wanted to make it extremely inaccurate. And speaking of inaccurate, how would you make the aiming work. Muskets and the limited rifles people used were not very accurate. It would be a weird game. It would be a slow paced game. Also, nobody outside America would give a damn.