2005. Wolf Events organized many SG-1 conventions in Europe, particularly in the UK and Germany. MerchandiseStargate SG-1 spawned an industry of spin-off products. From 1999 to 2001, ROC published four Stargate SG-1 novels written by Ashley McConnell. In 2004, UK-based Fandemonium Press launched a new series of licensed tie-in novels based on Stargate SG-1, although these books were unavailable in North America until 2006 when the license conflict with ROC expired. Titan Publishing publishes the official Stargate Magazine, while Avatar Press published a series of Stargate SG-1 comics. British company Big Finish Productions began to produce Stargate SG-1 audio adventures in early 2008, voiced by members of the SG-1 cast. A Stargate SG-1 roleplaying game and a Stargate trading card game were released in 2003 and 2007. Diamond Select Toys and Hasbro launched a series of toys in 2005 and 2006, respectively. The planned video game Stargate SG-1: The Alliance was cancelled in 2005 and the futures of the MMORPG Stargate Worlds and the Third Person Shooter from the same studio (Cheyenne Mountain Entertainment) named Stargate Resistance were made clear in November 2010 following MGM's decision not to renew CME's Stargate license. Four amusement rides are based on Stargate – the Stargate SG-3000 theme park ride operating at Space Park Bremen in Germany and at Six Flags theme parks in Chicago, San Francisco and Louisville. LegacyStargate SG-1 spawned the animated Stargate Infinity, and the live-action spin-off TV series' Stargate Atlantis and Stargate Universe. By SG-1 tenth season in 2006, Stargate SG-1 and Stargate Atlantis were said to have brought US$500 million in production to British Columbia. MGM executive vice president Charles Cohen described Stargate SG-1 and its spinoff series as the television counterpart of their James Bond franchise, being very profitable and improving their image. According to Stan Beeler and Lisa Dickson in their 2005 book Reading Stargate SG-1, the only science fiction shows to exceed the staying power of SG-1 are Doctor Who and the Star Trek franchise, although The X-Files and Buffy/Angel might have comparable longevity. Brad Wright cited continuity in the creative team and fan loyalty as reasons for the show's longevity. With its 202nd episode, "Company of Thieves", Stargate SG-1 surpassed The X-Files as the longest-running North American science fiction series on television, until passed by the final season of Smallville in 2011, which was in turn passed by the eleventh season revival of The X-Files