Sometimes the main page is blocked, but the game file isn't.
The phenomenon of GitHub.io unblocked games represents a unique intersection between software development infrastructure and the gaming subculture. Originally designed for developers to host project documentation and personal portfolios, GitHub Pages (the service behind .github.io github io games unblocked
You can use specific search operators to find these games on Google. Type the following into Google: Sometimes the main page is blocked, but the game file isn't