My internet service was out yesterday while they installed AT&T Uverse. I was having withdrawls, since I wasn't able to play fantastic contraptions.
http://fantasticcontraption.com/index.php
Luckily this post appeared on digg and now I'll never have to do without my online flash games again.

How To Download and Play Flash Games Offline
http://www.makeuseof.com/tag/download-play-flash-games-offline/