Wall of the Words is a scrabble-puzzle-defence game, where you put down words to stop the invaders from reaching your castle. It was created for the TIGSource Procedural Generation Competition.
Wall of the Words is free and open-source. The code is included with the game.
Download Wall of the Words (v1.2, Windows, 722kb)
The game requires the VB6 Run Time Library, which is included with Windows 2000 and above.