Task: Explanation
Input (English): 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). The game has been published by Wizards of the Coast (now a subsidiary of Hasbro) since 1997. It was derived from miniature wargames with a variation of the "Chainmail" game serving as the initial rule system. "D&D"'s publication is commonly recognized as the beginning of modern role-playing games and the role-playing game industry. Question: what fantasy role-playing game designed by Gary Gygax and Dave Arneson uses a giant troll as a type of monster? Answer: Dungeons & Dragons
Output (English): Dungeons  Dragons abbreviated as DD or DnD is a fantasy tabletop roleplaying game RPG originally designed by Gary Gygax and Dave Arneson, and first published in 1974 by Tactical Studies Rules, Inc. TSR.