Explore it here.
On pointer-equipped devices: move your pointer to control your heading, left-click and right-click to accelerate and decelerate, and hold the spacebar to brake. You can also scroll down the credits the way you scroll down a conventional web page.
On touch-enabled devices: use one finger to control your heading, and hold another at the top, bottom, or middle of the screen to accelerate, decelerate or brake.
This is a JS port of the magic carpet simulator hidden within Microsoft Excel 97. It's built on top of regl.
Read a whole lot more in the about page.