Cluedo gold plated, brass finished and sterling silver versions, which have appeared in a variety of designs. There are nine rooms in the mansion where the murder can take place, laid out in circular fashion on the game board, separated by pathways overlaid by playing spaces. Each of the four corner rooms contains a secret passage that leads to the room on the opposite diagonal corner of the map. The centre room (often referred to as the Cellar, or Stairs) is inaccessible to the players, but contains the solution envelope, and is not otherwise used during game play. Coloured "start" spaces
Cluedo (franchise) are covered in the Cluedo article as they are merely skins of the original board game, In addition to revising the rules of gameplay, many of the games also introduced new characters, rooms and locations, weapons and/or alternative objectives. Various versions of the game were developed for Commodore 64, MSX, Atari ST, PC, Game Boy Advance, ZX Spectrum, Nintendo DS, Nintendo Switch, Super Nintendo Entertainment System, CD-i, Sega Mega Drive/Genesis, PC, Mac, Xbox 360 and Apple iPhone / iPod Touch. A comedic film "Clue," based on the American version of the game, was released in 1985. In this version, the