The promised playable demo for Myst IV Revelation is now available, allowing you to try out the first-person point-n-click adventure sequel being crafted by Ubi Soft Montreal. Word is the demo "puts players in Atrus' room, which contains a number of objects, a trademark Myst puzzle, and an FMV flashback of Atrus' daughter."
3D Gamers - Gamer's Hell
3D Gamers - Gamer's Hell