As a testament to the game's quality? It is a 10/10. The fact that the game is so good that people will jump through hoops, compile web assembly ports, and hunt through GitHub repositories just to play it during study hall proves its brilliance.
Before diving into links, let's decode the terminology. ultrakill unblocked github
Depending on what the repository offers, you will generally find two different ways to play the game. Method 1: Playing the WebGL Browser Port (If Available) As a testament to the game's quality