With over 50,000 gaming titles on the App Store, Apple said it will be forming a social gaming network with features to invite friends, set up matchmaking for multiplayer games, support for leaderboards, and for tracking in game achievements.

The feature set is now pretty much standard in the existing social gaming networks such as Open Feint and Plus+.

Apple is going to provide a standard that will likely kill the competition. However, OpenFeint is already announcing the support of Apple’s Game Center as the base framework on which new versions of the project will be based, extending the feature set with features such as the ability to sell virtual goods and cross-promote apps.