Pencil and Paper Games

Instructions and variations for Othello, Tic-Tac-Toe, Squares and Sprouts.
http://www.geocities.com/paper_games/

The Origami Game

Fold paper into a series of shapes faster than the other players. Site includes rules, and print outs of the shapes.
http://geocities.com/ricknordal/

Knowledge Hound: How To Play Guggenheim

Word game to help improve memory, requires only a pencil and a sheet of paper.
http://www.knowledgehound.com/khhow2s/play_guggenheim.htm

Psi Squad

A logic game for three or more players, similar to the classic board Game, Mastermind.
http://www.invisible-city.com/games/psi_squad.htm

Ghoulash, The Last Game On Earth

A complex adventure game where players compete to complete various quests.
http://www.ghoulash.com/welcome.cfm

Clever Games for Clever People

Includes map coloring, dots and boxes, and calculation games. From John Conway's book "On Numbers and Games".
http://www.cs.uidaho.edu/~casey931/conway/games.html

Puzzles and Games at MZ Estate

Offers versions of Battleship, Scattergories, and Yahtzee to print out and play, as well as word searches and trivia quizzes.
http://www.geocities.com/mzlamp/puzzles.htm

Richard Bartle: Spellbinder

Game where players take the role of wizards battling it out in an arena. The game's creator, discusses the history and success of the game.
http://www.mud.co.uk/richard/spellbnd.htm

Waving Hands

Alternate name and rules for Spellbinder. These are the free and complete rules upon which all other variants have been based.
http://www.gamecabinet.com/rules/WavingHands.html

Oflameron

Logic table game played on paper with dice. Site contains the game's description, images, rules and playing forms for download in Microsoft Word format.
http://www.oflameron.ru/reg/

Math Night: Paper & Pencil Games

Instructions for Sprouts, Pipelayer and Capture with animated step-by-step guide.
http://orion.math.iastate.edu/danwell/MathNight/ppg.html

MoonBear

Offers a variety of printable games.
http://www.moonbear.com/

Battleship

The classic board game played with paper and pencil.
http://en.wikipedia.org/wiki/Battleship_game

Indoor Fun & Games

Fun, simple games to kill time at a restaurant, at the doctor's office, in the car.
http://www.todaysparent.com/craftsactivities/indoors/article.jsp?content=1151187&page=1

Sudoku Fun Puzzles

A website representation of Sudoku, the broad sheet newspaper puzzle imported from Japan. Leaderboard lets players compare completion times.
http://www.sudokufun.com/

Lecture Games

Games to play on paper, during a boring lecture.
http://www.galactic-guide.com/articles/2R60.html

Free Hangman Games

History, illustrated instructions, online/downloadable/printable game versions, and links to other Hangman resources.
http://www.freehangmangames.com/