This level occupies the map slot E3M6. For other maps which occupy this slot, see Category:E3M6.
This level occupies the map slot MAP21. For other maps which occupy this slot, see Category:MAP21.
This level occupies the map slot E3M5. For other maps which occupy this slot, see Category:E3M5.

E3M6: Mt. Erebus (MAP20 in PSX/Saturn/Jaguar/3DO/GBA, E3M5 in SNES) is the sixth map of Inferno in Doom. It features a secret exit to E3M9: Warrens. It uses the music track "On the Hunt" and has a par time of 1:30.

The level apparently takes place in the volcanic crater of what may be presumed to be Hell's eponymous Mt. Erebus. Several small buildings and structures are found on and around an island in the middle of the lava in the volcanic crater.

This level contains a secret exit leading to E3M9: Warrens.

Walkthrough

Map of E3M6


From the start point, find the marble building. If you play on the easy skill levels, the blue key is in front of the entrance door. Otherwise, continue reading. Open the door and then open the secret door (it's not a secret because it's required) next to the left torch. Take the teleporter. You will be on a ledge. Straferun to the teleporter (if you fall off there is a teleporter you can take to get back on), you will be inside one of the buildings. Follow the path southeast to the blue key. Now continue forward, then harshly right, and take the teleporter. To the midwest of this map, somewhere the lava turns into blood. Follow the path to the blue door. Open it, turn left and open the exit door, and step through the exit teleporter.

At this point you can exit, though most of this map remains unexplored (and is completely optional). Read more at other points of interest.

Other points of interest

You start off in front of a lion-faced door. Open it to access a room with some enemies, and additional health and ammo.

The mideast of the map has a skull building. The only way to enter is to press the lion switch to the east.

To the southwest are stairs. Go up them into a room with Imps and Demons, including a rocket launcher, chaingun, and an invulnerability.

Certain sections of this level map trigger traps of hellspawn in the huge lava pool.

Secrets

  1. Near the building you start off at, there is a vine building to the north. Open the door and inside are some teleporters. The one on the right will take you to a ledge with a plasma rifle.
  2. The right torch in the marble room is also a secret door open it to access a bulk cell.
  3. There is another platform besides the teleporter one. The platform has a chainsaw. Straferun to get it. Note that if you get the blue key BEFORE getting the chainsaw, you are not allowed to get the chainsaw and the secret anymore because getting the blue key causes the chainsaw platform to raise too high for you to reach it.
  4. To access the secret map E3M9: Warrens, take the teleporter to a ledge overlooking the water. Find the skull switch surrounded by short blue walls. Back up to the ledge in front of the chainsaw, aim yourself carefully, and straferun towards it, falling in through the gap in the top. Alternatively, fire a rocket at the wall to rocket jump/boost to the walled-off area. Be careful, once you enter it you cannot do anything else other than press the secret exit switch. Also, there is another invulnerability that is strongly recommended to avoid low health from the splash damage. You must be quick, because you may completely miss your chance to be invulnerable to the splash damage! There is an easier way to exit this map to E3M9. Do NOT jump into the box, just get near it, and then face the position of the switch correctly, and press the use key repeatedly until you get to the intermission screen. Note that this will NOT credit you for the secret, and therefore NOT get 100% secrets just by doing this trick. In the Super NES port of Doom, rockets do not push you back, therefore you must straferun into the blue box.

Bugs

  • Five "floating skull rock" obstacles (Things 209, 214, 220, 221 and 223) and a "burnt tree" obstacle (Thing 229) have no flags set for any of the difficulty classes, so they do not actually appear in the level.
  • The switch to exit to the secret level can be reached outside of the box, but at the expense of credit for 100% secrets.
  • On Ultra-Violence difficulty, in the building where you get the blue key there is a Spectre that cannot move.
  • From the ledges of the vine-covered building on the east (with the Spectres inside) you can see a graphical glitch on the buildings in the lava.

Speedrunning

Records

The Compet-N records for the map are:

Run Time Player Date File Notes
UV speed (normal exit) 00:28 Jonathan Rimmer 2000-06-01 e3m6-028.zip
UV speed (secret exit) 00:06 Adam Hegyi 1998-10-05 e3m6-006.zip
NM speed (normal exit) 00:29 Adam Hegyi 1999-11-01 n3m6-029.zip
NM speed (secret exit) 00:06 Steffen "Rini" Udluft 1999-02-18 n3m6-006.zip
UV max 02:58 Radek Pecka 2001-02-01 e3m6-258.zip
NM100S 00:19 Adam Hegyi 1999-06-20 n3s6-019.zip
UV -fast 02:59 Radek Pecka 2001-09-19 f3m6-259.zip
UV -respawn 02:07 Radek Pecka 2000-11-23 r3m6-207.zip
UV Tyson 04:07 Radek Pecka 2001-07-15 t3m6-407.zip
UV pacifist (normal exit) 00:49 Thomas "Panter" Pilger 1999-06-21 p3m6-049.zip
UV pacifist (secret exit) 00:06 Adam Hegyi 1998-10-05 e3m6-006.zip

Trivia

  • This is the first entirely opened map in Doom franchise.
  • According to John Romero, "The only way you are supposed to reach the secret switch [inside the blue box at the north end of the map] was by (1) getting the invincibility, (2) blasting a rocket into the wall so you would fly backwards into the box. We found out early on that it was possible to flip the switch from outside, so Sandy made the walls thicker." (See Doom Level History.) In fact, it is still possible to activate the switch from just outside of the walls, and also to straferun-jump into the box. See Access the secret exit on level E3M6 for details. Also, in the SNES port the player can just simply jump inside the box with the secret exit switch, as it is not possible to be pushed back from a rocket explosion.
  • The mythological place Erebus is originally a deep place of utter darkness and the personification of shadow, but the level takes place in a bright lava-filled open area. This seems to be a reference to Mount Erebus, the volcano in Antarctica. The volcano is incidentally located where one of H. P. Lovecraft's most celebrated tales, At the Mountains of Madness, takes place. In the tale the volcano is described and associated with Edgar Allan Poe's Mount Yaanek (in his poem Ulalume), taking a special and ominous significance. It is noteworthy that the author of the level, Sandy Petersen, had been the writer of a role-playing game based of Lovecraft's mythos, and was later instrumental in introducing many Lovecraft-inspired elements in Quake, the game id Software released after the Doom games.
  • Unusually, the blue skull key is in a different place depending on the skill level. On ITYTD and HNTR it's easily accessible, just outside the front door of one of the main buildings; in higher skill levels it is harder to reach.

Statistics

Map data

Things 335
Vertices 550
Linedefs 687
Sidedefs 949
Sectors 125

Things

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

Monsters 1-2 3 4-5
Zombieman 2 7 7
Shotgun Guy 12 16 18
Imp 27 34 36
Lost Soul 9 22 32
Demon 3 5 6
Spectre 1 2 4
Cacodemon 6 12 22
Baron of Hell 0 0 1
Powerups 1-2 3 4-5
Armor bonus 9 9 9
Armor 2 2 2
Megaarmor 1 1 1
Soul sphere 2 2 2
Medikit 7 7 7
Stimpack 23 23 24
Health bonus 9 9 9
Berserk 1 1 1
Backpack 1 1 1
Computer area map 1 1 1
Invulnerability 2 2 2
Radiation shielding suit 5 5 5
Weapons 1-2 3 4-5
Chainsaw 1 1 1
Shotgun 1 1 1
Chaingun 1 1 1
Rocket launcher 1 1 1
Plasma gun 1 1 1
Ammunition 1-2 3 4-5
Clip 2 2 2
Box of bullets 3 3 3
4 shotgun shells 4 4 6
Box of shotgun shells 6 6 6
Rocket 3 3 3
Box of rockets 2 2 2
Energy cell pack 2 2 2
Keys 1-2 3 4-5
Blue skull key 1 1 1

External links

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