E1M9: Strategical Offensive Array (CH Retro Episode)

CH Retro Episode maps
E1M1: First Contact E1M2: Computers and Electronics E1M3: Main-Frame E1M4: Command Center E1M5: Chemical Processing Plant E1M6: Primary Base E1M7: Laboratories E1M8: Old Habits... E1M9: Strategical Offensive Array

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

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E1M9: Strategical Offensive Array is the ninth and secret map of CH Retro Episode. It was designed by Christian Hansen and uses the music track "Untitled" by Robert Prince.

Walkthrough

Map of Strategical Offensive Array

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. Enter the nukage at the southwest end and enter the alcove to be lowered into a room with a chaingun, armor bonuses, a backpack, and a medikit. (sector 221)
2. Flip the switch that lowers the red key. After doing this, return to the hall below the starting point and there will be a secret room in the middle, where you can find a box of shotgun shells, a box of rockets, a medikit, a shotgun, and a chainsaw. (sector 224)

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	2:49.31	Vladimir Monakhov (skepticist)	2009-03-01	chr_lmps.zip
NM 100S
UV -fast	5:19.86	Chris Ratcliff (Ryback)	2002-05-26	ch-fast.zip
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on December 8, 2021.

Deathmatch

Player spawns

This level contains ten spawn points:

1. facing south. (thing 259)
2. facing east. (thing 260)
3. facing east. (thing 261)
4. facing north. (thing 262)
5. facing east. (thing 263)
6. facing south-west. (thing 264)
7. facing west. (thing 265)
8. facing north-west. (thing 266)
9. facing north. (thing 267)
10. facing north-east. (thing 268)

Statistics

Map data

Things	292
Vertices	1062*
Linedefs	1167
Sidedefs	1627
Sectors	249

* The vertex count without the effect of node building is 923.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	8	13	16
Shotgun guy	14	15	21
Imp	28	39	46
Demon	6	8	10
Spectre	5	7	10
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	1
Chaingun	1
Rocket launcher	1
Ammunition	1-2	3	4-5
Clip	4
4 shotgun shells	8	7	7
Box of shotgun shells	3
Rocket	4
Box of rockets	1
Health & Armor	1-2	3	4-5
Stimpack	5
Medikit	7
Armor	1
Items	1-2	3	4-5
Armor bonus	23
Health bonus	29
Backpack	1
Keys	1-2	3	4-5
Blue keycard	1
Red keycard	1
Yellow keycard	1
Miscellaneous	1-2	3	4-5
Exploding barrel	32
Teleport landing	5

Multiplayer
Monsters	1-2	3	4-5
Zombieman	8	13	16
Shotgun guy	14	15	21
Imp	28	39	46
Demon	6	8	10
Spectre	5	7	10
Weapons	1-2	3	4-5
Chainsaw	1
Shotgun	4
Chaingun	3
Rocket launcher	2
Ammunition	1-2	3	4-5
Clip	4
Box of bullets	5
4 shotgun shells	8	7	7
Box of shotgun shells	8
Rocket	8
Box of rockets	1
Health & Armor	1-2	3	4-5
Stimpack	5
Medikit	7
Armor	1
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	23
Health bonus	29
Supercharge	1
Backpack	1
Keys	1-2	3	4-5
Blue keycard	1
Red keycard	1
Yellow keycard	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Deathmatch start	10
Exploding barrel	32
Teleport landing	5

External links

• CH Retro Episode demos at the Doom Speed Demo Archive