Hearing about Myst and CD-ROMs reminds me of my trouble with the sequel, Riven:
Riven came on multiple CDs. When you moved from area to area you had to swap the discs in your PC. I got part way through the game and it said "Please insert disc 5". I couldn't see any disc 5 and wondered if this was some kind of clever, 4th wall breaking puzzle.
Well, turns out the jewel case would open up an extra door and the 5th disc was there. It wasn't supposed to be a puzzle, it was just unexpected...
Riven came on multiple CDs. When you moved from area to area you had to swap the discs in your PC. I got part way through the game and it said "Please insert disc 5". I couldn't see any disc 5 and wondered if this was some kind of clever, 4th wall breaking puzzle.
Well, turns out the jewel case would open up an extra door and the 5th disc was there. It wasn't supposed to be a puzzle, it was just unexpected...