What I did was through internet forums and seek gaming sites to unlock my network to find cool unblocked games at school and work. It took a lot of research, but ultimately it was worth it. You just kind of calibration and feel where you can not take place and what the boundaries of the network. If you have a website, "Access Denied" three times a day on my work e-mail go, says is automatically sent to your supervisor. So, since this is not the case, is with your company or your boss pretty cool and not care, you should be really careful in determining the sites you want to go. Some of my favorite cool unblocked games at school and work are the Power Rangers, Nintendo, Sega, and Pac-Man series.
Also depending on where you access the Internet, because a lot of time, some networks are much less tolerant than the other. I started a new job the other day to a very different kind of society that are less severe than those of my company to another. The use of the Internet has yet to be checked (so they say), but in a position to have a website, I would like to access and not released to gaming sites I visited. Although I always do what the best sites for cool unblocked games at school. There are many possibilities, only a thorough and careful.