My school is pretty tough when it comes to blocking games, but I managed to find a few which aren't blocked:
www.devppl.com
http://www.cbc.ca/kids/games/bmxpark
http://www.eskimo.com/games/stickrpg
also, if you visit
https://www.vtunnel.com
you can put in the address of a blocked site, and it allows you to access it.
Chat with our AI personalities
No websites. But I got a (bad) idea! Just spy on teachers when they talk about security systems. If they talk about how to get through the system, you're lucky! Use it! Ps: Try NOT to use this idea
monopoly and other games
It is just how you get past all the levels, play games and the daily quiz and you'll be on level 20 in no time.
Better gameplay, graphics, story, etc
A Link to the Past and Minish Cap