Code
netwalk
There are network cables of various shapes within a grid, and a move consists of rotating any square of a grid. Rotating a cable can bring some terminals online, but may also take other ones offline.
Netwalk requires the SDL library and the SDL_ttf library.
FreeBSD port: http://www.freshports.org/games/netwalk/.
See Downloads for binaries, including a Commodore Amiga version!
Get the source with Git:
$ git clone https://code.google.com/p/netwalk/
Mirrors: * http://repo.or.cz/w/netwalk.git * http://github.com/blynn/netwalk/tree/master