Sam Fisher is darting back and forth through the shadows, evading and subduing hostiles as he makes his way toward the next objective. Something's wrong though; he feels naked. No, he's not actually naked – this isn't a Metal Gear game after all - but there's definitely something missing. Then it happens. That tell-tale high-pitched screech goes off, followed by a soft electric hum. Then those three familiar green lights drop down, and the shadows light up. Finally.