STR23: Bipolar Bunker (Stronghold: On the Edge of Chaos)

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Stronghold maps 21-30

01 02 03 04 05 06 07 08 09 10
11 12 13 14 15 16 17 18 19 20
(21 - 30)
31 32 33 34 35 99
Secret maps: 50 52 54 56

This level occupies the map slot STR23. For other maps with a non-standard slot, see Category:Non-standard map slots.

STR23: Bipolar Bunker is the twenty-third map of Stronghold: On the Edge of Chaos. It was designed by Paul DeBruyne (skillsaw) and uses a custom music track.

This level uses the "Milestone" mode, where the objective is to prevent monsters passing through a series of milestones on their way to the deadline.

Walkthrough[edit]

Map of Bipolar Bunker
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[edit]

This level is functionally similar to STR11: Tunnel, consisting of one long passage. Monsters will spawn from a magma pool at the west end of the tunnel and follow it until they reach the deadline, which is west of the players' starting points at the east end of the tunnel. Along the way the monsters will pass through three milestones, which resemble doorways with gray striped borders - you must keep the monsters from passing through these milestones. Each time the monsters breach a milestone, they will start spawning near that location.

The starting room contains all four item pads as well as a shotgun, super shotgun, two backpacks and four boxes of shotgun shells. There are also three numbered teleporters which will put you near each milestone - use teleporter #1 to quickly get to the monsters' starting point. Each time the monsters breach a milestone, its corresponding teleporter will be sealed.

As with Deadline levels, focus on the fastest enemies first before they get too close to the milestones; have the BFG9000 received on wave eight ready to kill the cyberdemons that will appear. Watch out for the Hades elemental on wave seven, as the spheres it fires are classed as monsters and can also breach milestones.

Wave Enemies Weapons and ammo given Armor and powerups given
1 25 shotgun guys
Ten phase imps
Ten imps
- -
2 25 demons
20 shotgun guys
Six mancubi
Two boxes of shotgun shells
Box of bullets
Chaingun
Two stimpacks
Armor
3 20 shadows
12 chaingunners
Eight blood demons
Three boxes of shotgun shells
Two boxes of bullets
Shotgun shells
Super shotgun
Three stimpacks
Supercharge
4 11 enhanced cacodemons
11 cacodemons
Four boxes of shotgun shells
Three boxes of bullets
Two clips
Box of rockets
Landmines
Four stimpacks
Backpack
Armor
5 20 Hell knights
15 arachnotrons
12 barons of Hell
Four boxes of shotgun shells
Four shotgun shells
Three boxes of rockets
Three boxes of bullets
Two clips
Flamethrower
Four stimpacks
6 100 imps
25 catharsi
Six fusion spiders
Ten boxes of rockets
Five gas packs
Four boxes of bullets
Four boxes of shotgun shells
Four shotgun shells
Rocket launcher
Five stimpacks
Megaarmor
Backpack
7 12 enhanced cacodemons
12 wickeds
Hades elemental
12 boxes of rockets
Four boxes of shotgun shells
Four boxes of bullets
Four shotgun shells
Two gas canisters
Two clips
Gas pack
Homing rocket launcher
Two stimpacks
Two medikits
8 16 imps
12 phase imps
Two cyberdemons
14 boxes of rockets
Six boxes of shotgun shells
Four energy cell packs
Four boxes of bullets
Two gas canisters
Two clips
Gas pack
BFG9000
Two stimpacks
Two medikits
Supercharge
Megaarmor
9 24 shadows
20 revenants
Ten nightmare demons
11 boxes of rockets
Six boxes of shotgun shells
Four boxes of bullets
Four clips
Three rockets
Two shotgun shells
Two gas canisters
Gas pack
Three stimpacks
Two medikits
Backpack
10 24 nightmare demons
20 fusion spiders
12 hectebi
20 boxes of rockets
Seven boxes of shotgun shells
Six boxes of bullets
Two gas canisters
Gas pack
Shotgun shells
Three stimpacks
Two medikits
Megasphere

Completing this level will award 2,200 bonus credits.

Other points of interest[edit]

Secrets[edit]

There are no official secrets on this map.

Bugs[edit]

Demo files[edit]

Areas / screenshots[edit]

Speedrunning[edit]

As this level does not contain official secrets, the NM 100S category is redundant.

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
UV -fast
UV -respawn
UV Tyson
UV pacifist

The (absence of) data was last verified in its entirety on February 21, 2022.

Statistics[edit]

Map data[edit]

Things 524
Vertices 10188*
Linedefs 11723
Sidedefs 21340
Sectors 1651
* The vertex count without the effect of node building is 10188.

Things[edit]

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

Technical information[edit]

Inspiration and development[edit]

Trivia[edit]

See also[edit]

Sources[edit]

External links[edit]