3D Tic Tac Toe - 3D tic tac toe. Get 4 in a row against the computer. (Java)
4-D Tic Tac Toe - Four dimensional version of this game. (Java)
Beav-Butt-Toe - java tic-tac-toe featuring Beavis and Butthead. Complete with sound files.
Christmas Tic Tac Toe
Developing Games That Learn: Case Study- Tic Tac Toe - Book chapter on designing a learning algorithm for tic-tac-toe, with C source code.
Dic - Dac - Doh - for two players.
Guy Fawkes's analysis of Boolean tic-tac-toe - Analysis of a tic-tac-toe variant that allows anti-play.
Hair-do Tic Tac Toe - A twist on the world's simplest game; the board and counters are all heads. (JavaScript)
Java Tic Tac Toe Collection - The largest java tic tac toe site on the web. Includes tic tac toe, toe tac tic, and 4x4 tic tac toe. Most have scoreboards and directions. (Java)
Justin's Tic Tac Toe Game - made with frames.
Klotsnet TicTacToe
Max Headroom Squares, The - Courtesy of the Sci-Fi Channel
Non-Java Game - Play it against the computer or against a friend. You also can watch computer - computer games. (CGI)
Non-Java Tic-Tac-Toe
Pinnacle -- Fun & Games
Rob Tex Tic-Tac-Toe
Senor Pobre Tic Tac Toe - A tic tac toe game versus Senor Pobre, a smart-mouthed chihuahua. (Flash)
Shakespeare's Tic Tac Toe - Shockwave tic tac toe game.
Stubbed Toe
Tic Tac Toe - Play against the computer in this fun game (you can win if you are smart). (JavaScript)
Tic Tac Toe - Provides 10 difficulty levels and a high score list. (ASP)
Tic Tac Toe - Provides three level of difficulty: very easy, easy and hard. Source code available for free. (CGI)
Tic Tac Toe - You can choose the size of the board, from 3x3 to 7x7. (CGI)
Tic Tac Toe Game - Provides several difficulty levels and the option of going first/second. (JavaScript)
Tic Tac Toe [Jack Donham]
Tic Tac Toe [Jason Heirtzler]
Tic Tac Toe [Jeff Boulter] - Jeff Boulter's Tic-Tac-Toe allows you to play board sizez up to 7 x 7!
Tic Tac Toe [linc.or.jp]
Tic Tac Toe [uni-sb.de]
Tic-Tac-Toe with Java
TicTacToe - five-in-a-row.
TicTacToe [epfl.ch]
Yet another Tic Tac Toe