If you search for a link and it is dead, here is why:

If this is for a school assignment, remember to cite specific games or repositories you observed (e.g., https://github.com/ followed by a username). Do not attempt to access blocked content in violation of your school’s acceptable use policy; this paper is for academic analysis only.

Institutional firewalls often whitelist GitHub because it is a critical platform for education and software development. Blocking *.github.io can inadvertently block essential educational tools, creating a "paradox" for IT administrators.

Most school filters operate on a blocklist system. Since github.io is primarily used for coding portfolios, documentation, and educational repositories, network administrators are reluctant to block the entire domain. Attackers (in this context, game hosts) exploit this by creating a single repository under a benign username (e.g., student-dev/games ) and enabling GitHub Pages.

: GitHub allows users to host static websites (HTML, CSS, and JavaScript) directly from a repository. These sites end in the .github.io Bypassing Filters