Description	Polyhedra (Regular)	Type		Prime Use
100 sided dice	Zocchihedron	1d100		D&D
75 sided dice	Probably impossible	1d75		Sorcerers Cave
20 sided dice	Icosahedron	1d20		D&D
12 sided dice	Dodecahedron	1d12
10 sided dice	Decahedron (1-10)	2d10		D&D 2H Sword
Percentage dice	Decahedron (0-9)	2d10	%	D&D
Two 8 sided dice	Octahedron	2d8		D&D Sword
Four 6 sided dice	Cube	4d6		Mostly everything
Four of 6 Colours	Cube	4d6		1  2  3  4  5  6 Sopwith
5 sided dice	Pentahedron?	1d5
4 sided dice	Tetrahedron	1d4		D&D Sling/Dagger
2 sided dice	Coin! (Heads or Tails)	1d2		Decisions???