Actually, I think Myst was release 1 to 2 years later. One year later on Mac and 2 on PC. I thought it was merely okay. The whole thing kind of bored me, though. It was just a series of screens and every once and a while someone would talk to you. 7th Guest was more interesting as a story, IMO. You're right, though, it was a series of parlor games. I thought they were pretty good, except that one of them was very nearly impossible to finish.
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Matt