"Asynchronous multiplayer" refers to a type of online gaming where players take turns at their own pace, without the need for everyone to be playing simultaneously. Full definition
That accolade instead goes to Spies Vs. Mercs, the much loved asynchronous multiplayer mode from Chaos Theory, that was inexplicably dropped from the more recent titles. (metro.co.uk)
The successor of the action RPG SoulCraft brings the all new «League of Angels» where you challenge other players in asynchronous multiplayer matches and become the best SoulCraft player of the world! (wp7connect.com)
PlayStation Network and Xbox Live support empower players to explore Sanctuary with friends, including asynchronous multiplayer features (shopto.net)