Get games like BioShock Infinite (Xbox 360) for $$50.99 with free shipping at GameStop. when you use the coupon code 15FREE to take 15% off the price of new titles and console accessories valued at $29.99 or more. That's the lowest price we could find for that game by $9. Additionally, use the code 30PREOWNED to save 30% on select pre-owned games. Get Gears of War 2 (Xbox 360) for $3.49 with shipping starting at $2.99. Sales tax is charged in most states.