Mortuus Machina is the second album by Australian Metal band Universum. This album features guest contributions from many well-known musicians in metal, including Christian Älvestam (Miseration, Solution .45, ex-Scar Symmetry), Ola Frenning (ex-Soilwork), Tommy Tuovinen (MyGRAIN), Marios Iliopoulos and Olof Mörck (both from Nightrage) and Paul Wardingham.