Zone 4: Knightmare Zone is the fourth zone in Super Sonic Doom.
Act 1 Begins in a hellish temple after crossing the collapsing bridge in Skull Temple Zone. The bosses here are a group of Mancubi. Later, the second Deadly Sinner, Lust, is fought and killed. The boss of Act 2 is a straight line of moving fireballs rapidly rising up and down. The Music for the first act is "Sandopolis Zone Act 1", and the Music for Act 2 is "Sandopolis Zone Act 2", both from Sonic 3 & Knuckles.