newVideoPlayer( {"type":"video","player":"http://www.youtube.com/v/H1IzMb1VrJY&hl=en&fs=1&fmt=22","customParams":[] ,"width":500,"height":375,"ratio":0.824,"flashData":"","embedName":null,"objectId":null,"noEmbed":false,"source":"youtube","wrap":true,"agegate":false} );

How long this has been available, who knows, but someone just found an Easter egg in YouTube that allows you to play a game of Snake on the video while it’s paused or plays.