E2M9: Dissension (The Classic Episode)

The Classic Episode maps
E2M1: Foray E2M2: Mars Outpost E2M3: The Deimos Complex E2M4: The Evil Base E2M5: Deimos Observatory E2M6: Outpost 666 E2M7: A Place of Sin E2M8: Evil Refinery E2M9: Dissension

This level occupies the map slot E2M9. For other maps which occupy this slot, see Category:E2M9.

E2M9: Dissension is the secret map of The Classic Episode. It was designed by Travers Dunne with Jan Van der Veken and uses the music track "Sign of Evil".

Completing this level takes the player to E2M6: Outpost 666.

Walkthrough

Map of Dissension

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.

Essentials

Yellow key

Press the button to get out and head to the southern room where the security armor resides. Also, you can obtain shotgun and ammo there. The floor in the previous room should go down making access to the yellow key room for you. Jump down and use the eastern door. Press on the switch to lower the yellow key pedestal as long as the southern alcove containing monsters and switch to get out of this room.

Red Key

With the yellow key, leave the eastern room and head to the teleporter which deposits to the top of the room. By walking on the borders get towards the yellow door in the north eastern room of red torches. Open the door and head east around the closet to get inside the cage. Obtain the red key and backtrack to the starting point.

Blue Key

Drop down and use the door requiring the red key at the west. Use the teleporter on the nukage pool and press the skull button to open southern alcove. Head west and enter another nukage pool area. Press the skull button west to build up a staircase. Walk up the staircase. Open the door and head to the end of the corridor and use the lift. Head west. Note that the crushing ceiling will work. Press the button below the crusher. Enter the revealed teleporters to find yourself in the area with blue key. Grabbing the blue key will make many enemies teleport into this area. When killed them, teleport by red floor lamp and backtrack to the lift. Open the blue door and press the switch to end.

Secrets

1. In the room where there the yellow door is located, press use on the lone green torch. Go back downstairs and get the megaarmor before the pillar rises again. (sector 23)

Areas / screenshots

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Speedrunning

Current Compet-n records

The Compet-n records for the map are:

Run	Time	Player	Date	File	Notes
UV speed	03:08	Radek Pecka	2002-11-25	cl29-308.zip
NM speed
UV max	05:45	Radek Pecka	2002-11-27	cl29-545.zip
NM100S
UV -fast	09:07	Revved	2011-04-22	cf29-907.zip
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on July 4, 2020.

Current DSDA records

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

Run	Time	Player	Date	File	Notes
UV speed	2:49.34	Andrea Rovenski (Cyberdemon531)	2024-04-27	ce2-9uv249.zip
NM speed
UV max	4:54.63	Andrea Rovenski (Cyberdemon531)	2024-04-26	ce2-9-454.zip
NM 100S
UV -fast	9:07.03	Revved	2011-04-22	cf29-907.zip
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on May 12, 2024.

Deathmatch

Player spawns

This level contains four spawn points:

1. facing south-east. (thing 117)
2. facing south-west. (thing 118)
3. facing north. (thing 119)
4. facing north-east. (thing 120)

Statistics

Map data

Things	255
Vertices	1119*
Linedefs	1129
Sidedefs	1605
Sectors	171

* The vertex count without the effect of node building is 956.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	2	2	3
Shotgun guy	42	50	60
Imp	31	34	38
Lost soul	4	6	7
Demon	3	6	9
Spectre	1
Cacodemon	4	7	8
Baron of Hell	7	8	10
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	1
Chaingun	1
Rocket launcher	1
Plasma gun	1
BFG9000	1
Ammunition	1-2	3	4-5
Clip	7
Box of bullets	2
4 shotgun shells	4
Box of shotgun shells	4
Box of rockets	3
Energy cell	2	1	1
Health & Armor	1-2	3	4-5
Stimpack	6
Medikit	7
Armor	1
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	9
Health bonus	10
Backpack	1
Berserk	1
Keys	1-2	3	4-5
Blue skull key	1
Red skull key	1
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Teleport landing	13

Multiplayer
Monsters	1-2	3	4-5
Zombieman	2	2	3
Shotgun guy	42	50	60
Imp	31	34	38
Lost soul	4	6	7
Demon	3	6	9
Spectre	1
Cacodemon	4	7	8
Baron of Hell	7	8	11
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	3
Chaingun	2
Rocket launcher	2
Plasma gun	2
BFG9000	1
Ammunition	1-2	3	4-5
Clip	7
Box of bullets	2
4 shotgun shells	4
Box of shotgun shells	4
Rocket	2
Box of rockets	4
Energy cell	2	1	1
Health & Armor	1-2	3	4-5
Stimpack	6
Medikit	7
Armor	1
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	9
Health bonus	10
Backpack	1
Berserk	1
Keys	1-2	3	4-5
Blue skull key	1
Red skull key	1
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Deathmatch start	4
Teleport landing	13

External links

• E2M9 demos from the Compet-n database: UV speed • NM speed • UV max • NM100S • UV -fast • UV -respawn • UV Tyson • UV pacifist
• The Classic Episode demos at the Doom Speed Demo Archive