Rock, Paper, Scissors

Rock-Paper-Scissors-Spock-Lizard - A variation with five options instead of the traditional three.
http://www.samkass.com/theories/RPSSL.html

Slashdot: Rock-Paper-Scissors - Online discussion of the Roshambo programming competition. <small>(June 19, 2000)</small>
http://slashdot.org/developers/00/06/19/0037233.shtml

Wikipedia: Rock, Paper, Scissors - An article explaining the rules, variations, strategies, and lists recently played tournaments.
http://en.wikipedia.org/wiki/Rock%2C_Paper%2C_Scissors

Rock-Paper-Scissors Button Game - Rules for a party game, moving the arena of combat from gestures to wearable buttons.
http://www.ee0r.com/games/rpsbuttons.html

Professional Rock Paper Scissors - Details strategy and statistics for the game of RPS, including an original match format.
http://www.chessandpoker.com/rps_rock_paper_scissors_strategy.html

RoShamBo Programming Competition - Write a program to play Rock-Paper-Scissors, and enter it to play in an open competition against other programs.
http://www.cs.ualberta.ca/~darse/rsbpc.html

USA Rock Paper Scissors League - Professional tournaments sponsored by Bud Light, with national finals in Las Vegas. News, rules, history of the game, and humor.
http://www.usarps.com/

Roshambo Rampage - Play by email with your chosen opponent.
http://www.brunching.com/psr.html

Janken in the World - Scissors, paper, stone games as played in different cultures.
http://www.netlaputa.ne.jp/~tokyo3/e/janken_e.html

Rock, Scissors, Paper Plus - Rules to add Bomb, Bird, Water, Chopper hand forms.
http://www.gogomag.com/rsp/

The Official Rock Paper Scissors Strategy Guide - Strategy and game news from the World RPS Society.
http://www.worldrps.com/

Rochambeau - Phil Price does a bit of research on the game's origins.
http://www.creekcats.com/pnprice/rocham.html

MindZine: Second International Roshambo Programming Contest - The Roshambo Challenge Rides Again, Mind Sports Organization article. <small>(June 20, 2000)</small>
http://www.msoworld.com/mindzine/news/miscellany/roshambo.html

RoShamBo (aka Rock Paper Scissors) with Christmas Lights - Humorous results of a Roshambo contest between brothers using Christmas lights captured by a webcam.
http://www.komar.org/xmas/2002/cool_pics/rock_paper_scissors/

WWWF Grudge Match: Rock vs. Paper vs. Scissors - Humorous article on the three-way conflict, with comments from those who voted for their favorite weapon.
http://www.grudge-match.com/History/rock-paper-scissors.shtml

Mating Games and Lizards - Ivars Peterson's MathLand describes the game parallel in the mating ritual of the California side blotched lizard. <small>(April 15, 1996)</small>
http://www.maa.org/mathland/mathland_4_15.html

1620 Spruce SEGA RoShamBo Tournament - Results of a competition for a game console.
http://www.sniff.org/sega.html