"Black Book" is an adventure game based on a Russian folktale.

The story starts with a young girl named Vasilisa, who is destined to become a witch. She decides to throw her life away and marry her beloved, but that dream is shattered when her betrothed dies under mysterious circumstances.

Vasilisa is the main character of the story. She is a witch, who has the power to summon demons. She has to complete various quests in order to learn more about the world of early XIXth Century Russia. She has to solve various riddles, which are based on mythology.

"Black Book" is a very unique game.