The best way to teach something is to learn it first.
I used an old game design sketch I had made some years ago of a decision based card game idea. It lent itself to this Interactive Fiction or Adventure Game format.
Hill 70 - The Game
In this game you take on the role of Major Gause, an officer commanding a battalion of infantry in the Imperial German Army, in Lens, France, 25th September 1915.You make decisions based on the problems the Major Gause encountered.
Your mission is to defend the German positions against a British and French assault.
One game should take 15 minutes.
Click here to play: Hill 70