Microsoft Xbox 360 logo

Xbox 360 games are playable disc games bought either from games shops/online on gaming sites, or on the games on demand feature in the xbox live marketplace. These are the most ordinary type of Xbox 360 games, most of the big titles out there like Call of Duty: Black Ops include a multiplayer feature which allows you to play online with friends, and/ or people from around the world. All Xbox 360 titles include Achievments, which for earning you gain Gamer score ( achievement points). For many games there are also add-ons/DLC that you can purchase with Microsoft Points, this gives you things like, extra levels, special item packs, new locations etc.