Where to find the Doom secret exits and secret levels
Which map in each Doom episode hides the secret exit, where it leads and where you return afterwards.
Original 1993 PC Doom campaign: Knee-Deep in the Dead, The Shores of Hell and Inferno. Shareware includes only the first episode. Ultimate Doom’s fourth episode, Doom II weapons and monsters, and modern port enhancements are outside this hub.
Knee-Deep in the Dead: E1M3 to E1M9
E1M3: Toxin Refinery holds the secret exit to E1M9: Military Base. Follow the nukage river east to a small brown room; its switch raises a bridge to the secret exit. E1M9 returns you to E1M4.
The Shores of Hell: E2M5 to E2M9
E2M5: Command Control contains the secret exit to E2M9: Fortress of Mystery. Finishing E2M9 returns you to E2M6.
Inferno: E3M6 to E3M9
E3M6: Mt. Erebus contains the secret exit to E3M9: Warrens. Finishing E3M9 returns you to E3M7.
Thy Flesh Consumed: E4M2 to E4M9
In The Ultimate Doom, E4M2: Perfect Hatred hides the secret exit to E4M9: Fear. After dealing with the Cyberdemon, a wall on the western side of the main lava pit lowers only briefly; run through it to the exit. E4M9 returns you to E4M3.
Find secrets faster
Look for walls with a slightly different texture, flickering lights and items visible behind windows. If you are stuck, the IDDT code on the automap reveals the whole layout.
More Doom quick answers
Doom cheat codes: IDDQD, IDKFA and every PC codeHow to unlock every Doom episode and secret levelA secret exit looks like an ordinary exit switch or door. Check the level name on the intermission screen to confirm where you went.
Picture details
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