Level: E1M1: Slipgate Complex

Level: E1M2: Castle of the Damned

Level: E1M3: The Necropolis

Level: E1M4: The Grisly Grotto

Level: E1M6: The Door to Chthon

Level: E2M1: The Installation

Level: E3M1: Termination Central

Level: E3M5: Wind Tunnels

Level: E3M7: The Haunted Halls

Level: E4M1: The Sewage System

Level: E4M2: The Tower of Despair

Level: E4M3: The Elder God Shrine

Level: E4M4: The Palace of Hate

Level: E4M5: Hell's Atrium

Level: E4M7: Azure Agony

Level: END: Shub-Niggurath's Pit

Level: HIP1M1: The Pumping Station

Level: HIP1M2: Storage Facility

Level: HIP1M3: The Lost Mine

Level: HIPDM1: The Edge of Oblivion