what fantasy role-playing game designed by Gary Gygax and Dave Arneson uses a giant troll as a type of monster?
Dungeons &amp; Dragons: Dungeons & Dragons (abbreviated as D&D or DnD) is a fantasy tabletop role-playing game (RPG) originally designed by Gary Gygax and Dave Arneson, and first published in 1974 by Tactical Studies Rules, Inc. (TSR).
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