Beginning iOS Game Center and Game Kit: For iPhone, iPad, and iPod touch

Player Attributes

Like player groups, player attributes are used during matchmaking to narrow down the possible available games to the user. Player attributes, which generally function the same as player groups, do handle some things in a different manner. Some of the many uses for player attributes include the following.

• Often, in role-playing games, characters pick a class. It is common to require a group of multiple classes— such as a healer, a fighter, and a mage— in order to complete a quest.
• Sports games often have various positions on a team, such as goalkeeper, fullback, midfielder, and forward. A team will require a mix of all of these to be able to play.
• In a submarine simulator game, you could also have various players, such as a ...