Θ Games: Paper_and_Pencil: Tic-Tac-Toe

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Site list:

Pencil & Paper Games Plaza: Tic Tac Toe Instructions for game play.
Tic Tac Toe Strategy Solutions Details a step-by-step process that allows the first player to win or draw, but never lose.
Tic-Tac-Toe Strategy Tic-Tac-Toe strategy with explanations and opportunity to put the advises into practice.
Tic Tac Toe Top Secret Description of a strategy against a member of the group that allows one to win or to draw.
Math Lair - Tic-Tac-Toe Game variations, looking from the mathematical side
Tic Tac Toe In Brief Rules, variations, strategy, theory and practice. Includes an online version of the game.