How to unblock proxy?

I used Google cache to get here at school but the map won't load, does anyone know of a good proxy that can unblock to access?
happy wheels
happy wheels
Conquer Club, a free online multiplayer variation of a popular world domination board game.
https://beta.conquerclub.com/forum/
https://beta.conquerclub.com/forum/viewtopic.php?f=8&t=241334