What is Ultrakill Unblocked?

"Unblocked" versions are usually:

Tips and Tricks

Movement Tech: Between sliding, dashing, and "slam storage," the movement in this game is incredibly deep, allowing skilled players to fly through levels at breakneck speeds. Why is it Blocked?

Why this works: The school firewall sees "Nvidia WebRTC traffic" (video streaming), not "gaming." Plus, you don't download anything—so no admin rights required.