IL Hardware
LevelFirst place
E1M1: Hangar
E1M2: Plant
E1M3: Toxic Refinery
E1M4: Command Control
E1M5: Phobos Lab
E1M6: Central Processing
E1M7: Computer Station
E1M8: Phobos Anomaly
E1M9: Military Base
E2M1: Deimos Anomaly
E2M2: Containment Area
E2M3: Refinery
E2M4: Deimos Lab
E2M5: Command Center
E2M6: Halls of the Damned
E2M7: Spawning Vats
E2M8: Hell Gate
E2M9: Fortress of Mystery
E3M1: Hell Keep
E3M2: Pandemonium
E3M3: House of Pain
E3M4: Unholy Cathedral
E3M5: Mt. Erebus
E3M6: Limbo
E3M7: Tower of Babel
E4M1: Hell Beneath
E4M2: Perfect Hatred
E4M3: Severe the Wicked
E4M4: Unruly Evil
E4M5: Unto the Cruel
E4M6: Twilight Descends
E4M7: Threshold of Pain
DII: Entryway
DII: Underhalls
DII: The Gantlet
DII: The Focus
DII: The Waste Tunnels
DII: The Crusher
DII: Dead Simple
DII: Tricks & Traps
DII: The Pit
DII: Refueling Base
DII: Circle of Death
DII: The Factory
DII: The Inmost Dens
DII: Suburbs
DII: Tenements
DII: The Courtyard
DII: The Citadel
DII: Nirvana
DII: The Catacombs
DII: Barrels o' Fun
DII: Bloodfalls
DII: The Abandoned Mines
DII: Monster Condo
DII: Redemption Denied