Three browser games and one working model on one small engine, set in real history.
The kind of game I grew up on: Command & Conquer, Stronghold. Simple to learn and hard to win, with the history checked against sources. It is early: a mission or two each so far.
Every game can play its own win. Press Watch it played on the opening sheet and it plays a recorded winning game, then hands it to you whenever you press Take command. Click any unit or building to read what it was and how to use it. Use a computer: they need a mouse and WebGL.