| − | The game was first written in 1983 by Bryan Ansell, Richard Halliwell and Rick Priestley and has had new editions of the rules released every four to six years since then. The latest edition (7th Edition) was released on the 9th of September 2006. | + | The game was first written in 1983 by Bryan Ansell, Richard Halliwell and Rick Priestley and has had new editions of the rules released every four to six years since then. The latest edition (8th Edition) was released on the 10th of July 2010. |