There are many large assembly projects. https://en.wikipedia.org/wiki/Category:Software_written_primarily_in_assembly_language https://en.wikipedia.org/wiki/Ca

There are many large assembly projects. https://en.wikipedia.org/wiki/Category:Software_written_primarily_in_assembly_language https://en.wikipedia.org/wiki/Category:Software_written_prim... Even today a minority prefers writing new projects in assembly. https://news.ycombinator.com/item?id=15281522 https://news.ycombinator.com/item?id=15281522 Here you can have a look at Prince of Persia's source for the Apple II: https://github.com/jmechner/Prince-of-Persia-Apple-II https://github.com/jmechner/Prince-of-Persia-Apple-II