Xbox Live cards is Microsoft's online gaming service that allows players to participate in online multiplayer games. They can purchase and redeem Microsoft Points, Microsoft's virtual currency, for Xbox Live memberships and games. They can also purchase and redeem credit for purchases such as subscriptions, downloadable content, and Xbox Live subscriptions. The cards are a way for gamers to access the Xbox Live service, which includes the ability to chat with friends and to compete with other players. These cards come in a variety of denominations and colors, and can be used on all Xbox Live services.