Album cover reveal countdown over a period of 13 days on the homepage of Megadeth.com For the release of their 13th album, simply entitled TH1RT3EN, Megadeth counted down to the reveal of the album cover art over the course of 13 days. Each day a candle was lit and a symbol representing one of their 13 albums was used. On the final day fans were able to see the cover art and also play the first single from the album. The 13 part sequence was completed in flash with a jquery countdown script.