Java othello applet with a friendly interface and a very strong engine. Offers five levels of difficulty.

Flash based game that provides also detailed instructions.

A variation of Othello when the board is at an angle. Requires a Flash compatible browser. May be played online or downloaded.

Java applet with different levels of AI and an introduction to its strategy. Provides support for two human players or for a player controlled by computer.

Java applet with sound support and customizable difficulty level of the computer player.

An online Java program, with a winning percentage of over 90%. Adapts its thinking time to that of its opponent.

Java based game. Can only be played againest the computer.

Includes a Java based version of the game, and technical details of its implementation.

Java based game that can be played only againest the computer. Offers four difficulty levels.

Javascript based game. Doesn't provide support for a computer player.