The chimney network has been used for centuries and although a little uncomfortable, it has its advantages. Filled with many places to explore, puzzles and quests to complete, players can visit some of Harry Potter’s most recognizable locations like Hogwarts, Diagon Alley and more. A group of Minecraft modders known as The Floo Network (a name inspired directly by the Harry Potter universe meaning “the chimney network” used by wizards) have recreated the entire Harry Potter universe in a Minecraft map called “ Witchcraft and Wizardry“.