Traffic is snarled on a massive highway and no oneâs moving an inch âĻ but you can click to make the cars magically disappear! Remove cars in coloured groups to unstick the jam. This addictive puzzler is easy to learn, but tough to master!
Source
http://www.ytv.com/gamepad/play/games/gridlock/play.swf (via Wayback Machine)
Gridlock screenshots
