D'jinni is an adventure editor for The Witcher, which allows the creation of a plot with a quest structure, dialogue, characters present in the game world, monsters, locations and various situations that the player can encounter in different levels of the game.
D'jinni was released by CD Projekt and Atari on April 10, 2008, together with patch v1.3 and "The Price of Neutrality" adventure. The D'jinni Adventure Editor was further refined in The Witcher: Enhanced Edition.