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was a video game accessories manufacturer. Little is currently known about their history - they were "European" and were formed at some point during the late 1980s or early 1990s, distributing products around Europe as well as manufacturing their own.
They were likely the European distributor of Mad Catz products until 1999 when Mad Catz were bought by the GTR group. At some point after this they were bought by Radica Games, though the name was kept in service. Radica was bought by Mattel in 2006, and the Gamester name was dissolved.