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Garry's Mod >  Workshop > The Mafia's Workshop > Underground Construct
Underground Construct
Description Discussions4 Comments311 Change Notes
311 Comments
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TheProMichael 20 Jul @ 7:32am 
guys if you have missing textures you gotta download portal TWO to fix it, it worked for me. This map gives me portal 2 vibes aswell.
Pal of the Park 9 Jun @ 3:49am 
@Crazy-Jay It's because you have gm_construct 13 installed. Disable/Uninstall it if you don't want the "grey model of hl1 freeman" (known as semper) to spawn at random places.
Crazy-Jay 30 May @ 9:41pm 
I found a grey model of hl1 freeman just standing there before disappearing a couple minutes later
partyd0gg 23 May @ 9:13pm 
THERE'S A WORLD, GOING ON, UNDERGROUND
gray 23 Mar @ 6:08pm 
gives me portal 2 vibes
axolotl_king21 30 Jan @ 5:40pm 
@TwistingLaugh what's the name of it?
king_frog 27 Jan @ 8:10pm 
isnt this a portal map?
The Mafia  [author] 18 Jan @ 11:23pm 
Go for it.
Pal of the Park 18 Jan @ 11:11pm 
Y'know what? I'll remake this map. But in ROBLOX.
beanboy503 18 Jan @ 1:07pm 
portal 2 salt mine
raaaahdf 15 Jan @ 9:37am 
what is this map called I can't find it
maximilianmitrecic200 31 Dec, 2024 @ 8:59am 
the mafia, the map got featured in a video called "gm_construct, so native". go check it out
https://www.youtube.com/watch?v=jMw0CVciy7g
LegoHan 6 Dec, 2024 @ 10:16am 
nice
LegoHan 6 Dec, 2024 @ 10:16am 
bruh
harun_yezer 27 Nov, 2024 @ 11:43am 
Nedense bende Etraf Pembe Siyah Gözüküyor
The Mafia  [author] 19 Oct, 2024 @ 9:33am 
Thanks man
Tails15_ 19 Oct, 2024 @ 7:46am 
Cool map dude
Doxos 6 Sep, 2024 @ 8:33am 
how did I not find this before I love it
Passport Guardian 6 Aug, 2024 @ 6:51pm 
Anybody here played toontown before? This is sellbot hq but if it was gm construct-
Exit.9B 4 Aug, 2024 @ 3:00pm 
So Cave Johnson mad ehis own Gm Contstruct. nice. :mpn_engi:
Steelmaster 22 Jul, 2024 @ 4:11pm 
this is test shaft 03
Osk13 5 Jul, 2024 @ 7:27pm 
this is great i love it you know what i will say make a portal playground with all stuff portal 1 and with an old place with portal 2
icewallowpis 27 Jun, 2024 @ 6:31am 
those arent science spheres.. thats asbestos
keeps the rats away
Michael Phillips 15 May, 2024 @ 5:01pm 
reminds me of that one section in portal 2
The Mafia  [author] 30 Apr, 2024 @ 11:01am 
THANKS!
revo_core02 30 Apr, 2024 @ 10:48am 
GOOD MAP!
StupidityPersonified 4 Apr, 2024 @ 3:29pm 
not every map with missing textures and models use css
vex 24 Mar, 2024 @ 2:40am 
IT requires portal 2 instaled as there aretextures taken from it
GUILLIESUIT 22 Mar, 2024 @ 5:18pm 
i see a missing texture
Archer 6 Mar, 2024 @ 1:36pm 
"Hey, Cave Johnson here!"
lookout1d 3 Feb, 2024 @ 6:48am 
All these spheres are made of asbestos, by the way. Keeps out the rats. Let us know if you feel a shortness of breath, a persistent dry cough, or your heart stopping. Because that's not part of the test.
Peanut Butter Jelly Jam 15 Jan, 2024 @ 12:24pm 
@Dead Weight Well, now you can play CS:S.
JacksonH2626 12 Jan, 2024 @ 7:55am 
yes it needs aperture textures to work
SpinkleFork 5 Jan, 2024 @ 4:42am 
aperturestruct
s.moore693 27 Dec, 2023 @ 7:02pm 
i think it needs portal 2 to work
The Mafia  [author] 4 Oct, 2023 @ 6:46pm 
This is a portal 2 map. Not CSS
FizzySoda 4 Oct, 2023 @ 4:48pm 
i made my dad buy css for nothing, this map is going to have missing textures no matter what! ):<
The Mafia  [author] 3 Oct, 2023 @ 1:05pm 
🫡🫡🫡🫡
carolehalez 3 Oct, 2023 @ 11:51am 
but its incredible mafia its a joke OKAYYYYYYY:steamthumbsup:
carolehalez 3 Oct, 2023 @ 11:50am 
hey MAFIA YOU ARE SPOILED IM SAD LOOK SNIF SNIF OIN OIN:steamhappy:
The Mafia  [author] 30 Sep, 2023 @ 12:04pm 
Portal 2
Kitr1 30 Sep, 2023 @ 11:55am 
I would like to know which game the textures came from so I can get them.
SpringTrap ✞ 27 Sep, 2023 @ 3:59am 
you need this mod for it to work properly https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1538417090&searchtext=half+life+ep+1+content
SpringTrap ✞ 27 Sep, 2023 @ 3:56am 
why do i see missing textures can you please fix it?
Cosmos 4 Sep, 2023 @ 6:14am 
baag thats probaly gm_construct 13 beta it has all kinds of spoopy ghost that follow you from map to map
The Mafia  [author] 24 Aug, 2023 @ 8:47am 
It did not, that’s another mod doing that. As for the purple, might be the cubemaps.

Just do mat_specular 0 for the cubemaps
BAAGAA_1210 23 Aug, 2023 @ 11:17pm 
did this map become a screamer? the whole surface was blown to a purple world and a big strange noise was played. not recommended.
Lyre 16 Aug, 2023 @ 12:16pm 
I love this map. it's like a "every copy of mario 64 is personalized" thing but with portal 2
[TRK] v i t a ll i o 18 Jul, 2023 @ 8:23am 
I have problem... missing textures.
The Mafia  [author] 12 Jun, 2023 @ 1:28am 
You guys have playermodels that were updated to have a screamer. It’s usually the army dude ones. Check… Reddit.. for the ones to remove