Does assembly count? Prince of Persia's source code (not really open source...): https://github.com/jmechner/Prince-of-Persia-Apple-II https://github.com/jmechn

Does assembly count? Prince of Persia's source code (not really open source...): https://github.com/jmechner/Prince-of-Persia-Apple-II https://github.com/jmechner/Prince-of-Persia-Apple-II One look at any of the assembly files and you can get a sense of how properly organized the source code is.