a series of example programs to teach JavaScript video game concepts to beginners Play Demos instantly on arcadefork - no download, no sign-up, works on any device.
Originally by grahammitchell · undefined licence · source
Yes. Demos runs entirely in your browser on arcadefork - no download, no account, no payment.
Demos is an open-source project by grahammitchell, published under the Apache-2.0 licence. The original source is linked from the credits page.
It is served as a normal web page, so it scales to your screen. If it needs a keyboard, the on-screen controls are still there.