+A **d20** is a twenty-sided [polyhedral die](/wiki/Polyhedral_Die), a regular icosahedron used to introduce an element of chance. It often determines outcomes and actions within [tabletop games](/wiki/Tabletop_Game), its roll a pivotal moment of fate.
+## See also
+- [Dice](/wiki/Dice)
+- [Game](/wiki/Game)
+- [Randomness](/wiki/Randomness)
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