Warfare 1917 – Lead the British or German army through the trenches of Europe in this First World War strategy game.Use infantry, armor and fire support to take control of the ground or bombard your foes into submission.- 2 Campaigns. British and German. – Custom battle mode. Setup skirmishes the way you want! Deploy units by clicking on unit icon with the left mouse button. View health status of troops by hovering over troops with the mouse. Select upgrades and view upgrade information using the mouse and the left mouse button.