MAP03: Cloud of Flame (Osiris)

Osiris maps
MAP01: Stargate Systems MAP02: The Crypts Defiled MAP03: Cloud of Flame MAP04: R U Experienced? MAP05: OSIRIS Outpost MAP06: Prince of the Dead MAP07: Temple of Amon-Ra MAP08: The Last Pharaoh

This level occupies the map slot MAP03. For other maps which occupy this slot, see Category:MAP03.

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MAP03: Cloud of Flame is the third map of Osiris. It was designed by Glen Payne and Marshal Bostwick, and uses the music track "".

Walkthrough

Map of Cloud of Flame

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. After teleporting from the northern room of hieroglyphs, you'll be in a larger brown brick hallway. Look on the west wall for a light that is lower than the rest, signaling a hidden passage. Behind it is a maze. Head west, south, east, and then open the wall to the south to get a machine gun. (sector 289)
2. The switch in the northern room of hieroglyphs opens up two bars in the hallway south of that room, which is the hallway with blinking lights. Return to that hallway and get past the bars, then press on the wall with the scarab on it to find a box of ammo and skull power. (sector 38)
3. From the previous secret, head back north, west, north until the second passage to the west, west a bit, north, west, and use the south wall to get a stimpack. (sector 287)
4. Grabbing the yellow key triggers a trap with corridors to the north, south, and east opening up. If you enter the east or south corridors and press the wall, you will reach a secret area with a backpack and a stimpack. Both doors leading to the secret area count as separate secrets. (sector 206)
5. See Secret #4. (sector 205)
6. After triggering the yellow key trap, enter the east corridor, then backtrack to the starting point to find two compartments open to the north and south. Enter the south compartment and shoot the wall with the scarab to access the flame thrower. (sector 294)
7. At the curvy wooden hallway at the west side of the map, find the section of wood without metal on it and open it to find skull power, a fuel tank, stimpacks, and shotgun shells. (sector 139)
8. After entering the previous secret, head out, then north, east, east through the corridor, then south and open the door to be back at the long hallway. A new opening is nearby with a chaingunner and a medikit inside. Open the wall at the back to find a medikit and health bonuses. (sector 291)
9. In the large lava-filled area at the south end, go to the southeast and open the wooden wall to find a flame thrower and fuel tanks. (sector 280)

Bugs

A radiation shielding suit (Thing 421) has no flags set for any of the three difficulty classes, so it does not actually appear in the level. The same goes for the following multiplayer-only things: an energy cell (416), an energy cell pack (388), a fuel tank (400), an armor (463), and a partial invisibility (442).

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 December 7, 2021.

Deathmatch

Player spawns

This level contains only one spawn point, making it unplayable in deathmatch mode:

1. facing north. (thing 9)

Statistics

Map data

Things	668
Vertices	1661*
Linedefs	1830
Sidedefs	2716
Sectors	402

* The vertex count without the effect of node building is 1436.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	41	51	44
Heavy weapon dude	8	20	28
Demon	2	3	3
Spectre	7	9	15
Revenant	0	2	3
Cacodemon	0	1	1
Hell knight	0	0	3
Baron of Hell	0	0	1
Mancubus	0	1	2
Blue marine	30	52	62
Anubis	20	32	33
Bat	6
Weapons	1-2	3	4-5
Super shotgun	1
Machine gun	1
Flame thrower	3
Haze weapon	1
Ammunition	1-2	3	4-5
Clip	1
Box of bullets	3
4 shotgun shells	16	18	19
Box of shotgun shells	3
Energy cell	1
Energy cell pack	2
Fuel tank	14
Fuel container	0	0	1
Health & Armor	1-2	3	4-5
Stimpack	22	21	23
Medikit	25	23	24
Armor	2
Megaarmor	2
Items	1-2	3	4-5
Armor bonus	24
Health bonus	63	68	77
Backpack	1
Partial invisibility	3
Radiation shielding suit	3
Knife	1	2	2
Pyramid data feed	1
Skull power	2
Keys	1-2	3	4-5
Yellow keycard	1
Miscellaneous	1-2	3	4-5
Exploding barrel	20	20	22
Teleport landing	8
Osiris chant	1

Multiplayer
Monsters	1-2	3	4-5
Zombieman	44	54	47
Heavy weapon dude	10	22	30
Demon	3	4	5
Spectre	8	10	16
Revenant	0	2	3
Cacodemon	0	1	1
Hell knight	0	0	3
Baron of Hell	0	0	1
Mancubus	0	1	2
Blue marine	31	53	65
Anubis	20	32	33
Bat	6
Weapons	1-2	3	4-5
Shotgun	1
Super shotgun	5
Machine gun	3
Flame thrower	7
Haze weapon	1
Ammunition	1-2	3	4-5
Clip	1
Box of bullets	4
4 shotgun shells	16	18	19
Box of shotgun shells	5
Energy cell	1
Energy cell pack	4
Fuel tank	17
Fuel container	1	1	2
Health & Armor	1-2	3	4-5
Stimpack	22	21	23
Medikit	29	27	28
Armor	7
Megaarmor	3
Items	1-2	3	4-5
Armor bonus	24
Health bonus	63	68	77
Backpack	2
Partial invisibility	4
Radiation shielding suit	7
Death mask	1
Knife	1	2	2
Pyramid data feed	2
Skull power	3
Keys	1-2	3	4-5
Yellow keycard	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Deathmatch start	1
Exploding barrel	25	25	27
Teleport landing	8
Osiris chant	1

External links

• Osiris demos at the Doom Speed Demo Archive