Vampire Rain - Xbox 360 Supernatural foes: Battle the most lethal, wicked fast enemies ever. Squad tactics: Lead an elimination squad using covert operations to survive and succeed. Hi-tech advantage: Use specialized equipment like Necrovision and UV Knives to detect and defeat the Nightwalkers. Environmental advantage: Use your surroundings wisely&#8212;rain, darkness, and rooftops are your allies. Lethal reactions: Whatever you do &#8230; don't miss! Nightwalkers will overtake you within seconds.