Plus+ was a social networking, game discovery and multiplayer platform launched by Ngmoco in June 2009.
[1] The network was similar to Xbox Network (formerly Xbox Live)[2] and allowed users to interact with other players while playing.
In October 2010, the Plus+ Network had approximately 14 million users registered.
[3] On March 31, 2013, Plus+ servers were shut down along the games that were supported.
[4] The following is a list of games that have been published by Ngmoco and therefore support Plus+: