L.A. Noire is delivered as Steam cd key after your purchase. L.A. Noire activation and installation is done entirely on Steam. Internet connection is required. Breakthrough new animation technology, MotionScan, L.A., which captures every aspect of a player's face performance with astounding detail. Noire is a violent crime thriller that blends breathtaking action with real detective work to offer an unprecedented interactive experience. L.A. Buy a Noire, start a detective immediately.