20 Years of Hell is a series of EPs released by Anti-Flag. In honor of the band's 20th anniversary, they released the EPs via a subscription service. Each EP, which was released digitally and as a 7", is a split, featuring two songs by Anti-Flag, both of which are re-recordings of previous Anti-Flag songs, with the exception of the last EP which features one re-recording and one new song, and two songs by a new band.