Tic Tac Toe In Brief
- Rules, variations, strategy, theory and practice. Includes an online version of the game.
- http://www.tic-tac-toe-online.com/

Math Lair - Tic-Tac-Toe
- Game variations, looking from the mathematical side
- http://www.stormloader.com/ajy/tictactoe.html

David Molnar's Tic-Tac-Toe Variants
- Describes variants on the game.
- http://www.stolaf.edu/people/molnar/games/ttt/animals.html

Tic Tac Toe Top Secret
- Description of a strategy against a member of the group that allows one to win or to draw.
- http://www.askapastor.org/tictac.html

The History of Noughts and Crosses
- Article on the game's history.
- http://www.adit.co.uk/html/noughts_and_crosses.html

Tic-Tac-Toe Strategy
- Tic-Tac-Toe strategy with explanations and opportunity to put the advises into practice.
- http://ostermiller.org/tictactoeexpert.html

Guy Fawkes's Analysis of Boolean Tic-Tac-Toe
- Analysis of variant that allows anti-play.
- http://www.chiark.greenend.org.uk/~dricher/Nomic/Acka/subgames/bttt-analysis.html

Tic Tac Toe Strategy Solutions
- Details a step-by-step process that allows the first player to win or draw, but never lose.
- http://www.chessandpoker.com/tic_tac_toe_strategy.html

Pencil & Paper Games Plaza: Tic Tac Toe
- Instructions for game play.
- http://www.xs4all.nl/~spaanszt/PencilPaperGames/TicTacToe.html