There was a 20th GMC jam. http://gmc.yoyogames.com/index.php?showtopic=678066There is a "GMC JAM 21" tag already in the system, so it feels The Lord Of Teh Jamz has already decided on continuing the old numbering. (*scratches head* Was there a 20th jam, btw, or did we go from 19 to 21...?)