MAP08: Geryon (Master Levels)

Master Levels maps
MAP01: Attack MAP32: Bad Dream MAP25: Black Tower MAP07: Bloodsea Keep MAP01: Canyon MAP01: The Catwalk MAP01: The Combine MAP31: The Express Elevator to Hell MAP01: The Fistula MAP01: The Garrison MAP08: Geryon MAP07: Mephisto's Maosoleum MAP05: Minos' Judgement MAP07: Nessus MAP01: Paradox MAP01: Subspace MAP01: Subterra MAP01: Titan Manor MAP01: Trapped on Titan MAP09: Vesperas MAP03: Virgil's Lead
This level has a console version.

This level occupies the map slot MAP08. For other maps which occupy this slot, see Category:MAP08.

Geryon is a map that is part of the Master Levels for Doom II. It was designed by John Anderson (Dr. Sleep), and is contained in the file GERYON.WAD.

Walkthrough

Map of Geryon

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

1. Go along the river in the starting room. Drop down and open the door. At the other end of the room, walk upstairs. Get to the opposite side of the long outdoor area. Either use the elevated platform in the middle or go past the platform near the walls of the area. Open another door to enter a brick room. In the north place near the two lamps, turn left and go down where you need to enter a new door.
2. In the marble room, open the western baron wall. Going past the altar, drop yourself to either alcove at the south or north. Quickly get to the western "rest stop" because of the nukage under your feet. Press the button to open both the eastern door in the marble room and a trap behind you. Get out of the nukage area by taking the southern way. Return to the marble room and take the eastern way. Have the blue card.
3. In the marble room, open the northern door. Open the wall at the north of this room. Come down to the circular outside area. Turn left, press the skull and use the lift. Another skull switch will temporarily open the western door. Drop down and return upstairs, then enter the western alcove. Inside, enter the teleporter.
4. Walk around in the room and enter the teleporter.
5. Walk up the stairs on either side. Press the switch at the south to open the exit area. Enter the teleporter at the north for the ending.

Secrets

Official

1. In the eastern-most part of the level in the brick room, go to the raised platform with two tall techno lamps and press use on the north-west brick wall, revealing an alcove with a computer area map (and a partial invisibility in deathmatch). Both the alcove (sector 206) and the door itself (sector 210) are flagged as secret.
2. See secret #1.

Non-official

1. In the easternmost part of the level in the brick room go up the stairs to the small room with a stand with a brainless corpse hanging over it. The stand itself is blood-stained but the west segment of it is not. Walk around the stand and activate that segment. A small closet containing a security armor will open behind you.

Speedrunning

Current records

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

Run	Time	Player	Date	File	Notes
UV speed	0:43.80	Ks4	2022-05-17	geryon-4380.zip
NM speed	2:01.20	Serge Marudov (Never_Again)	2010-01-07	geryonn201.zip
UV max	4:15.60	Yousuf Anik	2015-11-01	geryon-415.zip
NM 100S	1:08.26	Jean-Charles Dorne (JCD)	2021-07-08	gerns108.zip
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on January 15, 2023.

Deathmatch

Player spawns

This level contains twelve spawn points:

1. facing north. (thing 106)
2. facing south. (thing 107)
3. facing east. (thing 108)
4. facing east. (thing 109)
5. facing north. (thing 110)
6. facing north. (thing 111)
7. facing west. (thing 112)
8. facing north. (thing 113)
9. facing south. (thing 157)
10. facing west. (thing 168)
11. facing west. (thing 180)
12. facing west. (thing 183)

Statistics

Map data

Things	341
Vertices	1444*
Linedefs	1430
Sidedefs	2082
Sectors	295

* The vertex count without the effect of node building is 1153.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	29	27	27
Shotgun guy	26	27	27
Heavy weapon dude	5	6	6
Imp	27	34	38
Lost soul	4	5	6
Demon	2	3	3
Spectre	4	6	7
Revenant	0	3	5
Cacodemon	1	3	4
Hell knight	1
Baron of Hell	1	2	2
Arachnotron	0	0	2
Mancubus	2	3	4
Arch-vile	0	0	1
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	2
Super shotgun	1	1	2
Chaingun	1
Rocket launcher	2
Plasma gun	2
BFG9000	1
Ammunition	1-2	3	4-5
Clip	6
Box of bullets	2
4 shotgun shells	11
Box of shotgun shells	6
Rocket	8
Box of rockets	3	5	5
Energy cell	2	3	3
Energy cell pack	3	3	4
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	6	6	7
Armor	1
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	12
Health bonus	16
Supercharge	1
Megasphere	2
Backpack	1
Berserk	0	0	1
Computer area map	1
Partial invisibility	1
Radiation shielding suit	1	0	0
Keys	1-2	3	4-5
Blue keycard	1
Miscellaneous	1-2	3	4-5
Exploding barrel	12
Teleport landing	7

Multiplayer
Monsters	1-2	3	4-5
Zombieman	29	27	27
Shotgun guy	26	27	27
Heavy weapon dude	5	6	6
Imp	27	34	38
Lost soul	4	5	6
Demon	2	3	3
Spectre	4	6	7
Revenant	0	3	5
Cacodemon	1	3	4
Hell knight	1
Baron of Hell	1	2	2
Arachnotron	0	0	2
Mancubus	2	3	4
Arch-vile	0	0	1
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	9
Super shotgun	2	2	3
Chaingun	2
Rocket launcher	3
Plasma gun	3
BFG9000	1
Ammunition	1-2	3	4-5
Clip	6
Box of bullets	2
4 shotgun shells	11
Box of shotgun shells	6
Rocket	8
Box of rockets	4	6	6
Energy cell	2	3	3
Energy cell pack	3	3	4
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	8	8	9
Armor	1
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	12
Health bonus	16
Supercharge	1
Megasphere	2
Backpack	1
Berserk	0	0	1
Computer area map	1
Partial invisibility	2
Radiation shielding suit	1	0	0
Keys	1-2	3	4-5
Blue keycard	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Deathmatch start	12
Exploding barrel	12
Teleport landing	7

External links

• MAP08: Geryon (Master Levels) demos at the Doom Speed Demo Archive
• Review at ONEMANDOOM: WAD Reviews