“Minimal code to put pixels on the screen?” is a question I’ve seen often enough that I’ve made a little gist to link whenever it comes up. https://gist.github.com/CoryBloyd/6725bb78323bb1157ff8d4175d... It requires https://www.libsdl.org/ But, making a window and putting some pixels in it, on all the world’s varied platforms, is the premier feature of that lib.