|This article is about a piece of terminology in Umineko no Naku Koro ni.|
The position of Game Master (ゲームマスター Gēmumasutā) gives one the ability to craft a tale using a game board. According to other witches, there are several gameboards that exist, however in this case the title of Game Master is held by a Witch or Sorcerer and the gameboard in question Rokkenjima from October 4 to October 5, 1986.
When creating a tale, the Game Master must always avoid creating a Logic Error or the game will instantly be destroyed.
Known Game Masters
|???||Before becoming the Witch of Miracles, Bernkastel was trapped in a game with an unknown Game Master. The Dawn of the Golden Witch manga suggests that this game may have been Higurashi no Naku Koro ni, with Hanyuu as the Game Master.|