If you are running this on a modern PC, you might encounter some legacy issues.
The original game and its remakes are designed for left-clicks. Avoid right-clicking, as it can sometimes cause unreliable behavior. Core Gameplay Loop File: realMyst.Masterpiece.Edition.zip ...
This edition supports both classic point-and-click and "Free Roam" 3D movement. You can toggle these in the settings to suit your preference. If you are running this on a modern