A long time ago, there was a great series of turn-based strategies. It began with East Front, and then continued through a number of games, built on the original’s chassis. They were released during an era when the turn-based style was still popular – even if losing ground to the RTS. As such, the games sold well and spawned many similar works. Eventually these evolved into the famed and venerable John Tiller engine, that you can see, to this day, in the Squad Battles series. Those are definitely still worth a look.