E1M9: Transmitter (URE2020: Unexpected Retro Experience)

URE2020 maps
E1M1: Oil Rig E1M2: Outpost E1M3: Command HQ E1M4: Arachnoid E1M5: Spaceport MF E1M6: Fuel Extraction E1M7: Habit Research E1M8: The Gate E1M9: Transmitter

This level occupies the map slot E1M9. For other maps which occupy this slot, see Category:E1M9.

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E1M9: Transmitter is the ninth and secret map of URE2020: Unexpected Retro Experience. It was designed by Zylinderkatze and uses one of the following music tracks: "The Demons from Adrian's Pen" by Robert Prince (base WAD), untitled track by Amaury Laurent Bernier (when loading base WAD with URE2020A.WAD) or "Paradise Syndrome" by Nathan Maxx (Lippeth) (when loading base WAD with URE2020L.WAD).

Walkthrough

Map of Transmitter

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.

Secrets

1. In the first outside area, use the lift south of the entrance, then lower the west wall, then the south wall to get a backpack. (sector 162)
2. At the northeast ledge in the first outside area, look towards the east corner and shoot it, then head west to get a chainsaw. (sector 1389)
3. Head south on the northeast ledge and around the small room to a light amplification visor. (sector 1477)
4. In the nukage tunnels, head to the north end, then east to a dead end. Open the south wall and head down, then use a lift to get a stimpack. (sector 895)
5. In the area with multiple paths, take the second one from the south and maneuver until you get to a switch. After flipping it, head north, then west and south, where the floor rises. Jump south and head west, where bars will block you from getting a plasma gun. Flip the switch to lower it. Head south of this area to the nukage tunnels, then go west and north, climbing the steps and using the switch. When the lifts are moving, head to the middle and jump to the plasma gun. (sector 321)
6. In the red key area, you have three switches to press. On the east ledge, pressing this switch will open a wall at the bottom floor in the northeast corner with another switch. You need to quickly press that switch as well as the east switch, then get onto the west lift and through the opening before it closes. Press the switch there to ride up to a soul sphere. (sector 641)
7. After getting the red key, go back to the door after the crusher and go up until you are on the northwest ledge in the second outdoor area. Jump south and open the door. Use two switches and enter a corridor which leads to a lift with a megaarmor. (sector 1728)
8. In the halls west of the circular area, go to the middle and use a terminal to the west. Quickly get on the north lift, lower it, and hug the north wall to head through before it closes. Follow the cave to get an invulnerability. (sector 104)
9. In the outside area south of the circular area, head to the tree in the middle of the rocks and head northwest to a switch. Flip it, climb back up, and jump north to get a plasma gun. (sector 2159)
10. Head northeast from Secret #9 to the armor bonus. Flip the switch there to get a megaarmor. (sector 2479)

Bugs

Six armor bonuses (Things 1024 through 1026 and 1029 through 1031) and a multiplayer-only shotgun (1214) have no flags set for any of the three difficulty classes, so they do not actually appear in the level.

Speedrunning

Current records

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

Run	Time	Player	Date	File	Notes
UV speed
NM speed
UV max
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The (absence of) data was last verified in its entirety on March 3, 2023.

Deathmatch

Player spawns

This level contains eleven spawn points:

1. facing east. (thing 107)
2. facing east. (thing 148)
3. facing east. (thing 151)
4. facing south. (thing 152)
5. facing east. (thing 153)
6. facing north. (thing 154)
7. facing west. (thing 155)
8. facing north. (thing 856)
9. facing north-west. (thing 986)
10. facing south-west. (thing 1061)
11. facing west. (thing 1213)

Statistics

Map data

Things	1217
Vertices	10654*
Linedefs	11768
Sidedefs	18153
Sectors	2672

* The vertex count without the effect of node building is 8993.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	72	28	36
Shotgun guy	40	109	129
Imp	72	104	114
Lost soul	52	56	43
Demon	17	36	31
Spectre	0	0	15
Cacodemon	3	7	19
Baron of Hell	0	2	6
Weapons	1-2	3	4-5
Chainsaw	1
Chaingun	1
Rocket launcher	1
Plasma gun	2
Ammunition	1-2	3	4-5
Clip	23	22	29
Box of bullets	3
4 shotgun shells	12	12	4
Rocket	10	10	13
Box of rockets	1
Energy cell	18	16	18
Health & Armor	1-2	3	4-5
Stimpack	84	86	83
Medikit	18	12	7
Armor	2
Megaarmor	2
Items	1-2	3	4-5
Armor bonus	69
Health bonus	130	130	125
Supercharge	1
Backpack	1
Berserk	1
Computer area map	1
Invulnerability	1
Light amplification visor	1
Partial invisibility	3
Radiation shielding suit	7	9	9
Keys	1-2	3	4-5
Blue keycard	1
Red keycard	1
Miscellaneous	1-2	3	4-5
Exploding barrel	55	55	56
Teleport landing	8
Voodoo doll	4

Multiplayer
Monsters	1-2	3	4-5
Zombieman	72	28	36
Shotgun guy	40	109	129
Imp	72	104	114
Lost soul	52	56	43
Demon	17	36	31
Spectre	0	0	15
Cacodemon	3	7	19
Baron of Hell	0	2	6
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	2
Chaingun	4
Rocket launcher	1
Plasma gun	2
Ammunition	1-2	3	4-5
Clip	23	22	29
Box of bullets	4
4 shotgun shells	12	12	4
Box of shotgun shells	1
Rocket	10	10	13
Box of rockets	1
Energy cell	18	16	18
Health & Armor	1-2	3	4-5
Stimpack	84	86	83
Medikit	22	16	11
Armor	2
Megaarmor	5
Items	1-2	3	4-5
Armor bonus	69
Health bonus	130	130	125
Supercharge	1
Backpack	1
Berserk	1
Computer area map	1
Invulnerability	1
Light amplification visor	1
Partial invisibility	3
Radiation shielding suit	16	18	18
Keys	1-2	3	4-5
Blue keycard	1
Red keycard	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Deathmatch start	11
Exploding barrel	55	55	56
Teleport landing	8
Voodoo doll	4