I couldn’t get the DOS binary version to work well (it would complain about missing files and hang in the character menu), but I played it online, and ended up perhaps playing a bit more than I would admit! The rock grinding really takes you in. 😆
Spoilers
I found the nonexisting cheese! But not before managing to freeze the game after I visited the robot a second time. The robot would just say good luck and then it would hang.