Sites | Shell Shockers Unblocked Proxy

The proxy site itself is blocked.

: A primary alternative often used when the main site is down. Shell Shockers Unblocked Proxy Sites

The developers of Shell Shockers, Blue Wizard Digital, track high-traffic proxy IPs. If you are playing from a proxy IP that 500 other people also use, you might get an IP ban for "cheating" (even if you aren't). Generally, you will not get a hardware ban, but your stats might not save. The proxy site itself is blocked

To the school firewall, it looks like you are just reading an article on a generic proxy site, not playing a violent egg-shooter. Blue Wizard Digital