Changes: [list] [*] Added "how to play" instructions in the main menu [*] Increased font size in the options [*] Updated device buttons on level 2 to be color-blind friendly [*] Add effects that show the passage of time in the last level [*] Added new music in the levels [*] Check compatibility with the server version [/list] Bug fixes: [list] [*] Changed the Lobby input field to prevent validation errors that sometimes resulted in the "Unknown error occurred" message [*] Updated server authentication method to prevent "Unknown error occurred" message [*] Correctly control the volume of the sound effects in the cutscenes [*] Sometimes audio settings were not saved correctly [*] Some sounds that should have been heard by the other player were not transmitted correctly [/list]