Groups are formed, in a computer-based (e.g., on-line) gaming environment, based on social relationships between players. Teams are formed from members of the group. Team formation is based on a game related interest. Each team is assigned an identity that is maintained within a single game and across multiple sessions of a game. The team can interact within the gaming environment much like an individual user can interact. Teams can play games with other in-group and out-of-group teams. Team members can play games with each other. Team statistics and achievements can be accumulated and aggregated. Team profiles provide information about the team, such as a list of the members of the team. Via team profiles, a member of a team can see information about other members of the team, such as other teams to which they belong. Team members can send and receive intra-team messages.