the author of this app says:
This game demands a lot of strategy to get results. It's not simple to learn, but once you know the rules it's quite fun to play.
Hammurabi is donation-ware. This means that you can download and play the game without any restrictions free of charge. If you want to support the author, you can donate $1. Once you send your money, you'll recieve a program icon for the game for your Start Menu.