[dreen]

Unfortunately this is very common. The source to most classics is lost forever.

[salamandersauce]

Yup. For Kingdom Hearts 1.5 they recreated the whole game from assets off the PS2 disc because they lost it all which is nuts.

[suifbwish]

In 100 hours, the complete binaries to any classic game, an OS emulator and this software: https://ghidra-sre.org/releaseNotes_10.0beta.html a skilled person could probably give you source code that compiles and runs the game.