This recent post has some recommendations for open sourced games [1].

Check out my project as well for some smaller projects suitable for reading [2]. I think we have the same ideas-finding smaller but good quality projects to read and learn. Feel free to connect (email in my bio).

[1] https://news.ycombinator.com/item?id=18293159 [2] https://github.com/CodeReaderMe/awesome-code-reading