Do you have a deadline looming in the next 20 minutes or so? Do yourself a favor and avoid at all costs because despite being a website filled with nothing but empty randomly sized windows, it’s surprisingly addictive if you try to move them off-screen and dig down to the bottom.

You have developer Rafae Rozendaal to blame for this time sink, which, if you’re not careful, could eat up a good portion of your day. Try as you might, there’s no bottom to the pile of windows to actually find. They appear to be procedurally generated, which means the pile is literally endless. It’s like licking the digital equivalent of a Tootsie Pop, except you never get to the chocolate center.