Low Grav Racer 2 HD. More promo codes, this time for the amazing Low Grav Racer 2 HD for iPad. Now is your lucky chance to get a promo code for this amzing game. Just be one of the first 10(ish) people to answer this simple question. Q. How many windows are in your house? *note, promo codes only work for US iTunes accounts. Low Grav Racer 2 HD; - Stunning all New Crystal Clear iPad HD graphics. - Instantly playable, super smooth game-play. - Blisteringly fast 3D graphics, in glorious HD. - Single Play or Time Trial. - Plus+ awards and Leaderboards. - 18 All New orignal tracks to race. - 6 Ships to race with 3 Race Classes. - Custom soundtracks & 3D spatial sound. - Missiles, Mines, Beams, Boosts, Time Warps & Shields. - Accelerometer control or All New slide and Touch controls. pepsi..