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About Catalyst
Catalyst is a series of fantasy role-playing game supplements created by Flying Buffalo as a series of game aides that could be used with any medieval fantasy-themed role-playing game system. The first supplement, Grimtooth's Traps, was released in 1981. Numerous other Catalyst books were produced, including the Citybook series, seven Traps books, Treasure Vault, and the Lejentia campaign setting. The latest, City of the Gods Map Pack was produced in 2011.
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