Hello! It's great to see your enthusiasm for improving your coding skills as a game developer. However, it's important to respect intellectual property rights and code ownership.
Instead of looking for source code leaks, I'd recommend honing your skills through legitimate means such as online tutorials, courses, open-source projects, or even collaborating with other developers.
If you have any specific questions about coding practices, game development techniques, or need help understanding a particular concept, feel free to ask here. There are many experienced developers in this forum who would be happy to help you grow your skills in a responsible way.