It will be interesting to see how the developers can make an interesting action game featuring the war-tech the was used on the battlefields of WW1. I'm not quite old enough to remember the Great War but the British infantry forces, for example, were mainly kitted out with Webley revolvers and/or Lee Enfield bolt action rifles with bayonets attached (in erm... Blackadder Goes Forth). Then there were early tanks, heavy machine guns that required multiple operators, artillery, gas, trenches, tunnels and so on. We shall have to wait and see what the developers come up with. On an optimistic note, sometimes strictly imposed limits can spark real creativity.