3d-keyboard-nkro-test-babylonjs
3d qwerty keyboard n-key rollover test
Usage: Download the .htm file and open it in a modern browser. Focus on the page and press keys. The F1-F12 keys and other keys like backspace were omitted since many of them have browser functions.
Or you can view it at https://dave-gu.github.io/3d-keyboard-nkro-test-babylonjs.htm