12 Sided Dice

12 Sided Dice

The d12 is one of the platonic solids, officially the dodecahedron. Twelve-sided dice are a part of the traditional 7-dice set and are used in a myriad of roleplaying games, though the d12 rarely takes a very prominent roll. 12 sided dice are used in RPGs like Dungeons & Dragons / Pathfinder, Earthdawn, and Call of Cthulhu (where it's likely only used for sanity loss rolls).

The oldest 12 sided dice were Egyptian and were dated to around 150 BC, from the Ptolemaic period.

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