Triple Yahtzee Rules for a Yahtzee variant. http://www.centralconnector.com/GAMES/tripleyahtzee.html

Kismet Rules for a variant of Yahtzee that uses different dice. http://www.centralconnector.com/GAMES/KISMET.htm

Killer Dice from Gypsy King Software Killer Dice is a Macintosh dice game based on the classic Yahtzee. It includes single, double and triple games. From Gypsy King Software. http://www.gypsyware.com/

Free Comp Stuff A site offering a free Yahtzee game for Windows and links so you can make your own games. http://www.geocities.com/freecompstuff

Rules of Yahtzee Includes all the rules of standard play. http://grail.sourceforge.net/demo/yahtzee/rules.html

UNO Dice Game rules from the game UNO DICE. http://www.centralconnector.com/GAMES/unodice.html