Pong
When your on Myst Island, go to the planetarium. Now sit in the chair and pull down the star viewer. Put in the date "MARCH 1ST 1978" and for the time, put in what the clock tower is showing. After the viewer finishes finding the coordinates, change the month from "MARCH" to "NOVEMBER". You should see a Pong game being played. To control the left paddle, hold the time slider and move it up to make the paddle move up and down to make the paddle go down. If it goes away and you want to play again, go to the clock tower and change the time. Then redo the steps to make the Pong game appear with the new time in place of the old time.

Easter Egg pictures
Open the CD-ROM using Windows Explorer and go to the "scn/maps" folder. You will see the "cyanegg" and "huevo" movies. "huevo" is "egg" in Spanish. The "cyan" file shows a series of photographs of the creators and their families. The "huevo" file features mysterious static. Try to use a photo editing program to layer the static from Huevo.avi.