- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
- The hot game of Nim – Nim theory and connections with other games at Cut-the-knot.org.
- Nim and 2-dimensional SuperNim at Cut-the-knot.org.
- Ultimate Nim: The Use of Nimbers, Binary Numbers and Subpiles in the Optimal Strategy for Nim
- The Game of Nim