Any variety of [[dice]] besides (or in addition to) the common cubical variety. Most used in tabletop RPG systems, in which they are referred to by the "d" notation, with the number after the "d" indicating the number of sides.

h4. Standard shapes

* d4: [[tetrahedron]]
* d6: [[cube]]
* d8: [[octahedron]]
* d10: [[pentagonal trapezohedron]]
* d12: [[dodecahedron]]
* d20: [[icosahedron]]
polyhedral dice