Instructions
Auction your games using sites such as eBay. Using an auction website lets others bid on your game. This method require you to pay for shipping the game to the buyer, however.
Sell the game to a store that buys video games such as GameStop. The store sets a predetermined price for each game, which may be low depending on how old and popular the game is.
Use online classified ads to set the game at your own price. You can post in print classifieds or use Craigslist or other online sources. Do not meet any potential buyer in private, dark places. Ask that the buyer to use cash and to meet with you during the daytime in a public place.