You begin Realms of Mayhem as the Lord of a realm with a population of 10.000 people. Your goal is to become the most powerful realm in the world. In order to achieve this goal, you should fill your land with new buildings, research new technologies, produce resources and weapons and attack your enemies with your armies and fleets.

In this guide, main concepts of the game will be explained. More details of the game is explained in helps over each page, and in descriptions of the items in the game (they appear when an item with a help sign over the mouse is clicked).