Zero Day is the fourth studio album from nerdcore hip hop artist MC Frontalot.

[2] The first single, "Your Friend Wil", is available for free from the official website.

[3] The album's cover art was drawn by Jhonen Vasquez.

[1] The album's last track ("Painstakingly Concealed Secret Track") is the key to a puzzle which leads to a hidden track.

To congratulate the 56 fans who solved the puzzle before the album was officially released, a game ladder page was erected on the official website listing each fan's initials.