The Bad Karmas' fight for humanity's survival continues! This time, the Bad Karmas find themselves in the 1920s, where a world full of obscure cults and cosmic horrors awaits them. Volume 4 is the first of two standalone expansions featuring 5 new Bad Karmas and 3 new bosses from the Cthulhu Mythos: Cthulhu, Ithaqua, and Hastur. This is a standalone expansion. To play, you will need the Teburu Board, an LED ring, and at least one six-sided Teburu die. A free digital app is required to play TBK (German version available). It can be downloaded from the iOS App Store or Google Play. Mobile devices are not included. Technical requirements: RAM: 2 GB or greater, Bluetooth: 4.1 or higher. The game apps work on the following operating systems: iOS: 13 or higher. Android: 8 or higher. Windows: 10 or higher. macOS: Sonoma (14) or higher.