| EPISODE 1: KNEE-DEEP IN THE DEAD | 
| E1M1: Hangar |   1.89 kb | 
| E1M2: Nuclear Plant |   2.89 kb | 
| E1M3: Toxin Refinery |   3.29 kb | 
| E1M4: Command Control |   2.65 kb | 
| E1M5: Phobos Lab |   2.91 kb | 
| E1M6: Central Processing |   4.03 kb | 
| E1M7: Computer Station |   3.27 kb | 
| E1M8: Phobos Anomaly |   1.78 kb | 
| E1M9: Military Base (Secret) |   2.44 kb | 
| EPISODE 2: THE SHORES OF HELL | 
| E2M1: Deimos Anomaly |   1.79 kb | 
| E2M2: Containment Area |   3.16 kb | 
| E2M3: Refinery |   3.01 kb | 
| E2M4: Deimos Lab |   2.98 kb | 
| E2M5: Command Center |   3.30 kb | 
| E2M6: Halls Of The Damned |   3.34 kb | 
| E2M7: Spawning Rats |   2.92 kb | 
| E2M8: Tower Of Babel |   1.26 kb | 
| E2M9: Fortress Of Mystery (Secret) |   1.42 kb | 
| EPISODE 3: INFERNO | 
| E3M1: Hell Keep |   1.52 kb | 
| E3M2: Slough Of Despair |   2.47 kb | 
| E3M3: Pandemonium |   4.10 kb | 
| E3M4: House Of Pain |   3.42 kb | 
| E3M5: Unholy Cathedral |   2.90 kb | 
| E3M6: Mt. Erebus |   3.52 kb | 
| E3M7: Gate To Limbo |   1.98 kb | 
| E3M8: Dis |   1.15 kb | 
| E3M9: Warrens (Secret) |   2.52 kb | 
| EPISODE 4: THY FLESH CONSUMED | 
| E4M1: Hell Beneath |   2.55 kb | 
| E4M2: Perfect Hatred |   3.28 kb | 
| E4M3: Sever The Wicked |   3.68 kb | 
| E4M4: Unruly Evil |   1.92 kb | 
| E4M5: They Will Repent |   3.01 kb | 
| E4M6: Against Thee Wickedly |   3.20 kb | 
| E4M7: And Hell Followed |   3.41 kb | 
| E4M8: Unto The Cruel |   3.29 kb | 
| E4M9: Fear (Secret) |   3.25 kb | 
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