com.informatimago.hangman
This is the classic Hangman game.

It demonstrates a simple MacOSX (Cocoa) application written with CCL, without using xib/nib files, but constructing the user interface entirely programmatically.

git clone http://git.informatimago.com/public/games/hangman-cocoa-lisp/

You can learn more about com.informatimago.hangman from its README file.

Hangman screen shot

Watch a screencast.