Myst IV: Revelation (DVD-ROM) - PC/Mac Puzzle-solving adventure game Optional multi-layered help system is available when stuck with puzzles Track your clues by taking pictures of evidence and writing notes in an in-game journal Original music created by Peter Gabriel and Jack Wall For 1 player Puzzle-solving adventure game Optional multi-layered help system is available when stuck with puzzles Track your clues by taking pictures of evidence and writing notes in an in-game journal Original music created by Peter Gabriel and Jack Wall For 1 player