The rules of the game are found in the attached ZIP file.
Pictures of the cards and board are included in the zip file. Print them, and paste them on cardboard or some other appropriate material. You need to print one of each of the ritual cards, and three of each of the action cards.
You can use pieces from other board games for the cultists, or make your own. The rules show how many you need of each color. We used pieces that we had bought from the following sites (ty, spielmaterial.de):