Cyan has released a playable demo for Myst V: End Of Ages, the final chapter of the critically acclaimed Myst series. The demo weighs in at 275MB for PC, downloadable at GameShadow.com, 3D Gamers, and Worthplaying. The Mac version is 457MB and can be got from mirrors at Ubisoft's Myst Worlds page, Ubisoft, Gamespot, and Gamer's Hell.
For more on Myst V read our E3 preview. Expect the game to launch sometime later this year (Q4).