Penelope adventures were given a comic of their own. The Thunderbirds strip in TV Century 21 (later named TV21) ran from January 1966 to June 1970; it was originally by Alan Fennell and Frank Bellamy, with subsequent contributors including Scott Goodall, Don Harley and John Cooper. It was reprinted in Polystyle Publications' Countdown comic in 1971 and 1972. More than 3,000 Thunderbirds-themed products have been marketed since the series' first appearance. To accommodate the high demand for tie-ins, APF established three dedicated subsidiaries: APF Merchandising, APF Music and APF Toys. Due to the series' popularity, some British commentators dubbed the 1966 end-of-year shopping season "Thunderbirds Christmas". In the early 1990s, Matchbox launched a new toy range to coincide with the BBC2 repeats. Sales figures for Christmas 1992 surpassed those attained by Star Wars merchandise in the 1970s and 1980s. Demand for Matchbox's Tracy Island Playset overwhelmed supply, leading to shop fights and a substantial black market for the toy. From 1965 to 1967, APF released 19 Thunderbirds audio plays on vinyl EP records. Three were original stories; the rest were condensed re-tellings of various TV episodes narrated by the regular characters. The late 1960s also saw the publication of Thunderbirds, Lady Penelope, and Captain Scarlet and Thunderbirds annuals as well as eight original Thunderbirds novels. In 2008, FTL Publications of Minnesota launched a new series of tie-in novels. The series' first tie-in video game, developed by Firebird Software for the Commodore 64 and ZX Spectrum computers, was released in 1985. Since then, titles have been released for the Game Boy Color, Game Boy Advance and PlayStation 2. In the late 1980s, Thunderbirds was released on home video for the first time by PolyGram and its subsidiary Channel 5. Following its acquisition by Carlton in 1999, the series was digitally remastered for the release of the first DVD versions in 2000. Blu-ray editions followed in 2008. An official Thunderbirds board game was published in 2015. It was designed by Matt Leacock, designer of the Pandemic board game. Three expansions of the core game were published in 2016: Above & Beyond, The Hood, and Tracy Island. Later productions Thunderbirds has been followed by two film sequels, a live-action film adaptation, two animated TV remakes and several re-edited presentations for TV and home video. The second of the remakes, Thunderbirds Are Go, premiered on ITV in 2015, the 50th anniversary year of the