I have uploaded and released the source code for the core of "The Mining Mystery". The source code contains the basic things like simulating gravity, jumps, moving and collision checks but also a few more things. The package can be downloaded by selecting The Mining Mystery -> Download in the menu above and then selecting MMCore.
The things that are not in there are the levels and the puzzles, I figured that including that would just make the source code too confusing. But that doesn't mean that I'm not willing to explain how I made certain puzzles or events. Feel free to contact me via the "Contact me" button in the menu and ask for the source code or explanation for certain things in the game.
As I wrote in the last news update, the next thing will be rewriting EQ Log Parser and releasing a new more user-friendly version. I will post my progress concerning that here.