Gluecks Games
Gluecks invites you to play a game with him...(if you are on dial-up you'll need to wait a minute or two, especially for jigsaws and the harder games).

NB: On jigsaws you can rotate pieces, using; spacebar, mouse-wheel or arrow keys. If you build the jigsaw on top of some pieces and so can't find them try selecting the full picture and rotating it...