The Mystery Mines game obstacles you with riddles, hidden levers, and secret rooms tucked behind loose stone

https://sierra-wiki.win/index.php/Mystery_Mines:_11_Things_You%27ve_Forgotten_To_Do

The Mystery Mines game difficulties you with riddles, concealed levers, and secret rooms tucked behind loose stone. Search carefully, combine findings, and reveal who developed the underground labyrinth.