At Best Buy, purchase two used video games and get a third used video game of equal or lesser value for free. (The discount applies automatically in-cart when you add three eligible games.) Individual games are priced as low as 99 cents. Plus, they all qualify for free shipping. That's tied with our December mention as the best sale we've seen on these items over a year. Choose from used games for PlayStation 4 and 3, Xbox One and 360, Nintendo Wii, and other platforms. Some exclusions may apply.