Judge Dredd RPG: The Cursed Earth - Rules of Play says:
Within you'll find 10 new mutant species including the Alabammy Blimp, Brotherhood of Darkness, Dog Soldier, Gila Munja, Kentucky Trog and more, plus expanded mutation tables which include animal mutations, corporeal mutations, and metaphysical mutations. You'll also find a wide range of new mutant careers, equipment, a gazeteer, and a full adventure which takes you on an epic trek across the Cursed Earth as you deperately try to deliver a vital antidote to Mega-City Two!