MAP12: Biochemical Factory (Obituary)
From DoomWiki.org
| Obituary maps 12-16,31 |
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MAP12: Biochemical Factory is the twelfth map of Obituary. It was designed by Thomas Möller.
Contents
Walkthrough[edit]
Essentials[edit]
Press the switch to go up to a room with a plasma gun, then open any of the doors around you to enter a room that is overlooked by zombies. Go east through and doorway and climb the blue steps to a ledge with one to three revenants, then go south-east to find cacodemons guarding the blue keycard. Take the key and dodge the demons, imps and shotgun guys that are released around you, then go west into a narrow hallway which is actually a lift that will lower when you step on it. Wait for the lift to rise then head west and south to a blue door. Go through the door and cross a bridge, then enter the right-hand room on the other side where some chaingunners are guarding a switch. Flip the switch then go back through the blue door to see that a doorway has opened in the west wall, then go down the steps behind it and open the door at the bottom to reach the ledge surrounding the starting room. Go round to the north-east end and open the door here, kill a waiting demon then go through a second door to reach the yellow keycard.
Go through the blue door again and cross the bridge, but this time continue south to a yellow door and go through it to enter a T-junction guarded by a baron of Hell. Go through the west door to enter a room with barrels as well as a cacodemon and revenants (plus an arachnotron on Hurt Me Plenty skill level or higher), then go through another door on the east side of the room and climb the steps behind it until you reach a door in the south wall. Go through the door to enter a room with six square pools, then continue west to another door and open it to see some bazooka men guarding a switch. Press the switch then head back to the barrel room, fighting some imps and bazooka men that have appeared in the pool room on the way, and go to the top of the steps where a silver door has opened. Go through the door and climb the steps in the next room to see the red keycard on a raised platform—when you approach the key a door will close on it and two closets containing zombies and imps will open. Flip the switch inside the northern closet to open the door blocking the red key, as well as the door leading out of the room.
Go back to the bridge and step off the west side of it to land in a pit with a red exit door. Open the door and kill a spectre, then press the fake exit switch behind it to go down to a room with cacodemons (and shotgun guys on HMP or higher). Go into the hallway ahead and walk forward until the floor lowers beneath you, then head south through a door to face a mancubus and imps. Press the button in the north-east corner of the room to open a wall on the other side of the platform, then climb the steps behind the door to reach a second switch on top of the platform; a chaingunner will be released behind you at the top of the steps, and dropping off the platform opens a room to the west with various monsters. Go back through the door and climb the steps that have opened in the west wall, then continue west to the real exit door; demons and chaingunners will be released behind you as you reach the door, and approaching the exit switch will close a barrier on it for 30 seconds. Fight off the monsters while you wait for the exit switch to reopen and press it to finish the level.
Other points of interest[edit]
Secrets[edit]
- Go up the steps east of the starting area, then continue east at the top until you go through a door. Press the switch at the south end of the room to lower a lift behind you, use it to reach the ledge with the shotgun guys then open the circuit wall at the north end to find a spectre guarding a super shotgun. (sector 109)
- Open the wall with the poison sign north-east of the fake exit door to find shotgun guys guarding a plasma gun and two energy cells. (sector 150)
- Go up the steps in the barrel room and open the door in the north-east corner. In the next room, open the blue wall in the north-west corner to find a bazooka man, a backpack, and five stimpacks. (sector 214)
- In the same room as secret #3, open the “F” wall in the south-east corner to find three shotgun shells. (sector 216)
- At the door to the room with six square pools, open the north wall that is covered in slime to find a rocket launcher, a box of rockets, and a medikit. (sector 209)
- In the red key room, open the south-east wall behind the barrels to find two spectres guarding armor and health bonuses. (sector 301)
Bugs[edit]
The door leading directly to the yellow key has an invisible trigger (linedef 131) placed in front of it that blocks use attempts, requiring the player to get closer to the door than is usually needed to get a successful press.
The spectre (thing 580) at the fake exit switch is placed stuck in the walls.
Demo files[edit]
Areas / screenshots[edit]
The start
The blue key room, after springing the trap
The yellow key
Near the red door
Chainsaw trap
The blood splatted wall
The six pools
The red key room
The end
Speedrunning[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 | |||||
| NM speed | |||||
| UV max | 8:12.06 | vdgg | 2010-08-13 | ob12-812.zip | |
| NM 100S | |||||
| UV -fast | |||||
| UV -respawn | |||||
| UV Tyson | |||||
| UV pacifist |
The data was last verified in its entirety on June 3, 2022.
Deathmatch[edit]
Player spawns[edit]
This level contains eight spawn points:
- facing north. (thing 4)
- facing north. (thing 669)
- facing north. (thing 670)
- facing north. (thing 671)
- facing north. (thing 672)
- facing west. (thing 673)
- facing west. (thing 674)
- facing north. (thing 675)
Statistics[edit]
Map data[edit]
| Things | 676 |
| Vertices | 1506* |
| Linedefs | 1687 |
| Sidedefs | 2342 |
| Sectors | 398 |
* The vertex count without the effect of node building is 1298.
Things[edit]
This level contains the following numbers of things per skill level:
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