Solved the piano puzzle in a single try.
Achieved the good ending within two minutes.
Returned to Myst Island from D'ni.
Achieved the good ending without inserting a single red or blue page.
Achieved the good ending.
Found the white page.
Achieved the bad ending with Atrus.
Achieved bad ending with Achenar.
Achieved bad ending with Sirrus.
Achieved one of the brothers' endings while on a randomized playthrough.
Fill up all of the shelf space for the Red or Blue pages.
Solved the fireplace puzzle.
Found a way back from Stoneship.
Solved the compass puzzle.
Found a way back from Mechanical.
Found the skeleton in the Mechanical Age.
Found a way back from Channelwood.
Found to Sirrus' message to Achenar.
Raised the sunken ship.
Viewed some dated constellations.
Rode the tree to the highest position.
Opened the safe in the cabin.
Solved the gear puzzle inside of the clocktower.
Found a way back from Selenitic.
Made it through the maze in Selenitic without pressing "backtrack" on a randomized playthrough.
Solved the generator power puzzle.
