From now until September 10th Xbox LIVE Gold users can pick up a large assortment of Xbox LIVE Arcade titles for half off including Babel Rising, Rayman 3 HD and Mad Riders all for 400 Microsoft Points ($5). Those who have a thing for flashlights and being trapped in the darkness can also save big on Microsoft Studios’ Alan Wake’s American Nightmare and indie title LIMBO with both going for 600 Microsoft Points ($7.50) And lastly the action shooter Sine Mora is also on ale this week for 800 Microsoft Points ($10)