E1M3: Toxic Treatment (Return to Hadron)

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Return to Hadron maps
Episode 1
Episode 2

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 3

M1 M2 M3 M4 M5 M6 M7 M8 M9

This level occupies the map slot E1M3. For other maps which occupy this slot, see Category:E1M3.

E1M3: Toxic Treatment is the third map of the first episode in Return to Hadron. It was designed by Matt Powell (cannonball) and uses the music track "Smoke and mirrors" from Rise of the Triad.

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Map of Toxic Treatment
Letters in italics refer to marked spots on the map. Sector, thing, and linedef numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. From the start, go right and use the wall with the poison symbol on it to reveal a hallway, eventually taking you to a chaingun and a berserk pack. (sector 29)
  2. In the red key room, use the computer panel to the left of the switch to lower a lift in the southeast corner of the room. Run to it quickly to retrieve a soul sphere. (sector 109)
  3. From Secret #4, there is a shootable switch to the east. Shoot it for a block to rise, allowing you to go onto the next platform, which contains the blue key, a radiation suit, and some armor bonuses. (sector 115)
  4. After getting the red key, open the red door near Secret #2 to find a lift switch, but look towards the computer terminals on the right wall to find a tucked-away switch. Use this one to reveal a switch in Secret #2, then go back there and flip that switch for a lift to the south to lower. Take this lift up for a megaarmor and some health bonuses. (sector 260)
  5. From where the yellow key is located, look towards the fountain to see a tiny step allowing you to get onto the fountain. From there, jump west and outside where you can collect health and armor bonuses as well as a computer area map. (sector 278)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The records for the map at the Doom Speed Demo Archive are:

Run Time Player Date File Notes
UV speed (normal exit) 0:33.74 Dime 2018-12-23 r1h3-031.zip
UV speed (secret exit)
NM speed (normal exit)
NM speed (secret exit)
UV max 4:17.97 Poncho 2018-02-23 r1h3-417.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist (normal exit)
UV pacifist (secret exit)
NoMo (normal exit) 0:27.57 SilentD00mer 2022-03-07 r1h3o02757.zip

The data was last verified in its entirety on April 3, 2022.


Map data[edit]

Things 421
Vertices 2451*
Linedefs 2594
Sidedefs 3846
Sectors 359
* The vertex count without the effect of node building is 2128.


This level contains the following numbers of things per skill level:

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]