This is a complete, buildable source code of the game. Tony: Born for Adventure is a flipped screen platformer developed for various retro platforms, including Amiga, Atari, ZX Spectrum and Commodore 64. This is a Commodore 64 version.
To build this game, you need to have a Java 15+ Runtime Environment installed. Grab one from the following location: https://jdk.java.net/
You also need an Exomizer cruncher that can be obtained from: https://bitbucket.org/magli143/exomizer/wiki/downloads/exomizer-3.1.1.zip.
Ensure that exomizer.exe is on your PATH.
Once this is done, you can build the game with the following command, executed from the root of the project.
gradlew build link
Once the building process finishes, you can find the game executable in the root directory: tony-e.prg and tony-e.d64.