Message Spec Message_Type Sender Contents Description LOGIN Client [username],[password] ANON_LOGIN Client N/A Sent if the client wants an anonymous login LOGIN_ACK Server N/A Server accepted login. Maybe sends additional info, like stats ANON_LOGIN_ACK Server [username] Server determines a username for the anon user LOGIN_ERR Server Error message Indicates an error with the login, probably a wrong password GAME_INFO Server Info about one game When a player joins the lobby, server sends one of these (See below for format) for each game that's currently looking for players. The server also sends one (containing all info about the game) each time something about an open game changes GAME_INFO format: [name],[current players],[max players]