This might be the opposite of what you're looking for, but p5.js[0] is a decent candidate if you want to build a barebones game (physics) engine yourself. It ma

This might be the opposite of what you're looking for, but p5.js[0] is a decent candidate if you want to build a barebones game (physics) engine yourself. It may sound like a lot but you may be surprised to see how far you can get depending on what your end goal is, and you may just create something novel as a result. See here[1] and here[2] for a rudimentary example. [0] https://p5js.org/ https://p5js.org/ [1]https://dev.to/soorajsnblaze333/how-to-create-a-simple-physics-engine-part-1-2ofh https://dev.to/soorajsnblaze333/how-to-create-a-simple-physi... [2]https://dev.to/soorajsnblaze333/how-to-create-a-simple-physics-engine-in-javascript-part-2-4gnd https://dev.to/soorajsnblaze333/how-to-create-a-simple-physi...