Relentless: Twinsen's Adventure Beautifully rendered SGI cinematics compliment brilliant game play. Easy to use interface, characters with digitized speech and a rich non-linear storyline mystery! Fluid animations and a unique artificial intelligence with 12 huge levels of play! Rare adventure game! New unused original CD in jewel case with manual on seperate CD in PDF format. PC: DOS, Windows 95 DOS Mode, Windows 98 DOS Mode