Log Sailing Ossisoft
Simple freeware desktop alarm clock
Play the classic pencil and paper game of "Dots and Boxes" on the PC, against a friend or an intelligent computer opponent. Includes options changing the board size and taking back moves. There is info on how to play and stats are recorded.
Solves the game Su Doku
This nifty little freeware programme plays the game chomp against you. You have to avoid finishing a rectangular chocolate bar as you take turns to eat rectangular bites. There is nothing to install, just run the exe.
Play 3D naughts and crosses (also called Qubic and tic-tac-toc-toe) on your PC. Choose one of 4 computer opponents and you can tinker with the AI. There are options to take back moves, set the computer to play itself, rotate the view.