Auction Sites
Websites, such as eBay, provide gamers with a plethora of auction-related games that will suit a gaming enthusiasts needs. Create an account and begin bidding on the game of your choice. Depending on the game you're interested in buying, there may be a seller that's willing to let go of a particular video game for a discounted price. If you're interested in purchasing a used product, you will be able to purchase the video game at a cheaper price.
Classified Ads
There are a variety of websites that allow users to locate and purchase a specific video game for a set price. Your local newspaper may offer a web-based classified ads section, which will allow you to search for video game sellers in your area. Check out Craigslist as well, which caters to buyers who are interested in local pick-up. If you are having trouble finding a specific video game on Craigslist, you can post a "Wanted" ad to attract possible sellers.
Gaming Stores
EB Games and GameStop are two of the most popular gaming stores, and they offer a wide selection of PS3 games online. Whether you're looking to buy a recently-released, brand new video game or a slightly-used video game at a discounted price, you can purchase a specific game on the store's official website.