Gaming & puzzles

Monopoly

Some variant rules & ideas

Prophet

A very bizarre card game in which you make up the rules.

Rule Modifications

A mark (maybe the mark) of hardcore gamers is an urge to fiddle with game rules, tweaking them into a better game. Schmittberger's "New Rules For Classic Games" is an excellent goldfmine for many ideas. A few that I've arrived at over the years are listed below.