Clone trooper film series and in the "Star Wars" expanded universe media, a number of specialized trooper units are seen, including elite special forces units such as the 'Advanced Reconnaissance Commandos' (ARC troopers), and Null ARCs, who usually work alone. All clone commandos and ARCs were trained by Mandalorian mercenaries; the elite Clone Troopers are known as Shadow Troopers. The style and color of a clone troopers armor often varies depending on their rank, specialization, unit, or environment, for example, the clone troopers on Kashyyyk wear camouflage green scout-style armour whereas the 501st legion wears standard white armor with blue accents. Another
Star Wars Episode I: Obi-Wan's Adventures hand held console Game Boy Color. THQ had previously published the Game Boy Color game "", and began work on their second "Star Wars"-licensed product, "Obi-Wan's Adventures", thereafter as part of the agreement with LucasArts. It was a port of the then upcoming game "", which was planned to be released for personal computers (PC) but was later canceled. "Obi-Wan's Adventures" was first announced to the public in September 2000. THQ hired the third-party Game Boy developer HotGen to develop the game, which they described as "the most authentic "Star Wars" adventure on the Game Boy Color system." Mark Fisher,