About Portal 2: The Underground 3/5
From Steam WorkshopThe underground from Portal 2 ported into Left For Dead 2, and converted into a campaign, and two survival maps. All content is packed so you dont need Portal 2. Please get the other required Parts!
The underground from Portal 2 ported into Left For Dead 2, and converted into a campaign, and two survival maps. All content is packed so you dont need Portal 2.
Please get the other required Parts!
Highlights
From source dataFootprint
Rated a light load on a server.
Last update
Its author last shipped an update 6 yr ago.
Portal 2: The Underground 3/5 on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Left 4 Dead 2 servers. We download it from Steam Workshop, place it, and restart the server.
- Server load
- light
- Latest build
- 2020-05-30, released 2020-05-30
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| Workshop |
From 1 recorded build of Portal 2: The Underground 3/5.
Dependencies
- Required: Portal 2: The Underground 2/5
- Required: Portal 2: The Underground 1/5
- Required: Portal 2: The Underground 4/5
- Required: Portal 2: The Underground 5/5
Declared by the newest build that lists any. Required ones are installed with it on one-click installs.
What kind of mod it is
From the catalogListed on Steam Workshop as “Workshop”
Maps & scenarios
Custom maps, arenas and scenarios to play on.
Compatibility
- Game
- Left 4 Dead 2
Verified at the source
- ✓Steam WorkshopOfficial listing, checked 2026-11-01Open ↗
- ✓AuthorThe Mafia, as published on Steam Workshop
- ✓LicenseNot published by the sourceFree
