Now for the good news. You don't need to hunt down a mysterious GitHub repository to play. A simple web search will lead you to dozens of reliable, legal "unblocked" gaming websites that host the game in HTML5, meaning it runs instantly in your browser on any device. Here are a few excellent options you can check out right now:
In this wacky simulation, you control Eugene, who is just a disembodied head. The goal is to survive and grow by propelling yourself around a 2D world and "headbutting" food. The game is a humorous and frustrating commentary on life, with where you click and drag to "flex" and "stretch" Eugene’s muscles.
Network administrators typically block gaming sites by blacklisting specific URLs. They rarely block GitHub because it is an essential tool for computer science classes, coding, and software development.