However, the links are ephemeral. A link that works today might return a 403 "Access Denied" error tomorrow (because the host turned it off or AWS flagged it).
In the digital age, the phrase "I'm bored" has been replaced by a single, desperate Google search: "How do I unblock games at school?" cloudfront.net unblocked games
Playing during study hall is a victimless crime. Playing 1v1.LOL during a final exam review? That is a problem. However, the links are ephemeral