I also had loading issues on Mac OS X10.4 and Firefox 3.0.7. The preloader got to a 100% and then nothing. I simply refreshed the page and all was fine. Hope that helps someone.
awesome game... for those that find rate it low because it's confusing, should probably rate their own brains low. It's a simple logic puzzle that only gets repetitive because you're enjoying it and want to do another one.
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