I finished "Mines in the park" in FreePascal-Lazarus. It will be free (pay if you want) in http://juegosenlazaruscr.itch.io or my WEB site http://juegosenlazaruscostarricenses.com.
My project: LibreN3D for 3D animations is standing by. I release 16 new 3D objects in POVRay http://freeray.juegosenlazaruscostarricenses.com. Conversion to LibreN3D is bad but possible for now.
Now, I'm programming my new release "Minigolf in the park" in FreePascal-Lazarus. It will have FreeDOS, Mac, Windows and Linux version too.
Thanks a lot, for your compiler. I am very happy with the DOS version, but "FPC 3.0.4" does not detect units iostream.pas and streamio.pas (maybe the problem is ufclbscr.zip (source/packages/fcl-base/examples/src/go32v2)). My games use those units. I understand
FreeDOS and other DOS systems have problems with UEFI and BIOS; I can wait...