- Medieval
- E1M1 - Dungeons - The Chambers
- E1M2 - Dungeons - The Chambers of Agony
- E1M3 - Dungeons - Sewers Level 1
- E1M4 - Dungeons - Sewers Level 2
- E1M5 - Graveyards - The Gates
- E1M6 - Graveyards - The Deadlands
- E1M7 - Graveyards - Shi No Uchi
- E1M8 - Castle - Entrance
- E1M9 - Castle - The Courtyard
- E1M10 - Castle - The Keep
- E1M11 - Castle - The Battlements
- E1M12 - Medieval - The Sorcerer
- Antarctica
- E2M1 - Polar Tundra - Ellesmere
- E2M2 - Polar Tundra - Fjord
- E2M3 - Ice Caves - The Descent
- E2M4 - Ice Caves - Trapped
- E2M5 - Abandoned Base - Base Insertion
- E2M6 - Abandoned Base - Dead Halls
- E2M7 - Abandoned Base - The High Ground
- E2M8 - Antarctic Labs - Alpha Labs
- E2M9 - Antarctic Labs - Outpost 31
- E2M10 - Antarctic Labs - Delta Labs
- E2M11 - Antarctic Labs - Antarctic Anomaly
- E2M12 - The Great Old One
- Egypt
- E3M1 - Deserts - Atsui
- E3M2 - Deserts - Sahara
- E3M3 - Ruins - Giza
- E3M4 - Ruins - Burial Chambers
- E3M5 - Temple - Gateway
- E3M6 - Temple - Inner Grounds
- E3M7 - Temple - Anubis' Domain
- E3M8 - Treasury - Ancient Secrets
- E3M9 - Treasury - The Valley of the Graves
- E3M10 - Treasury - The Trails of Despair
- E3M11 - Treasury - The Path of the Grave Robber
- E3M12 - Egypt - The Sphinx
- Industrial
- E4M1 - Blocks - Silent Streets
- E4M2 - Blocks - the Prefecture of Pain
- E4M3 - City - Masochistic Metropolis
- E4M4 - City - The Skyscraper
- E4M5 - Factory - Loading Bay
- E4M6 - Factory - Shipyards
- E4M7 - Factory - Processing
- E4M8 - Base - Hangar
- E4M9 - Base - Command Center
- E4M10 - Base - Communications
- E4M11 - Base - The Armory
- E4M12 - Tank
- Hell
- E5M1 - Castle - Smash the Gates
- E5M2 - Castle - The Battleground
- E5M3 - Antarctica - Hell hath frozen over
- E5M4 - Antarctica - Dagon Post
- E5M5 - Egypt - Lake Vesuvius
- E5M6 - Egypt - The Outpost
- E5M7 - Egypt - Sahara
- E5M8 - City - The block tomb
- E5M9 - City - The Gauntlet
- E5M10 - City - The Maelstrom
- E5M11 - Hell - The Lord of Hell