This thesis describes an implementation of an asynchronous multiplayer mode in mobile platform games. One of the problems with real time multiplayer games is synchronising all the players involved, because the latency between devices is still a problem even though mobile devices have ever faster Internet connections.We implemented an asynchronous multiplayer mode in a football themed game as part of the thesis. Knoxball is a basic football simulation game. The user can assume the role of a player on the field as well as the role of the coach of the team. While the user is in asynchronous multiplayer mode, he only has the role of the team coach. The asynchronous multiplayer is performed in a series of steps: the first player sends a request via the server to the second player along with his team data, then the second player accepts the request and sends his team data to the first player. Finally, a game replay is created. This replay can be viewed by players without any access time or replay count limitations. Each player is authorised by using their Facebook account. This thesis describes the technology needed to implement such functionality into game on mobile platforms, with emphasis on the platform iOS and artificial intelligence that is used for executing and automating certain parts of the game.
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