About Black Mesa: Fallouts v2.1
What the creator says, alongside confirmed listing details.
Black Mesa: Fallouts v2.1 is a community item for Left 4 Dead 2 listed on Steam Workshop.
Welcome back to Black Mesa, this time you'll be joining the L4D1 survivor on their way to find evacuation. From the last Half-Life campaign port, Undertow, I've...
Mod details
- Game
- Left 4 Dead 2
- Creator
- 7ᴇᴍᴘᴇsᴛᴲ
- Category
- Unclassified
- Published
- June 5, 2022
- Last Workshop update
- April 10, 2026
- Workshop item
- #2817067970
Screenshots
1 image from the mod listing
Timeline
Key dates from the original listing and ModOrNot's catalogue.
-
First published
The item was first published on Steam Workshop. Steam listing ↗
-
File last updated
Latest file-change date reported by Steam Workshop. Steam listing ↗
Why it ranks here
Black Mesa: Fallouts v2.1 has 34,213 subscribers and ranks #2,677 in Left 4 Dead 2 (#2,677 overall). Over the last 7 days it gained 0 subscribers (+0.0%) and over 30 days 0. Weekly velocity is 0.0 subs/day, accelerating (0.00).
Metrics from 12 stored snapshots. How ModOrNot ranks mods →
Subscriber change since tracked
View change since tracked
Favorite change since tracked
Platform availability
Xbox 360 version, backward compatible on Xbox One/Series X|S. Add-on content is Steam Workshop only; console builds do not run Workshop mods.
Availability is only claimed when an official source proves it. A platform we cannot verify is shown as “Not verified” — we never assume a PC Workshop mod runs on a console.
More Left 4 Dead 2 mods
| Mod | Subscribers | 7d | Score |
|---|---|---|---|
| 1.2K | +1.1K | 100.0 | |
| 1.4K | +1.3K | 100.0 | |
| 2K | +2K | 99.9 | |
| 4.8K | +359 | 99.9 | |
| 2.4K | +1.7K | 99.9 |
Frequently asked questions
How popular is Black Mesa: Fallouts v2.1 compared with other Left 4 Dead 2 mods?
It ranks #2,677 among 179,100 tracked active Left 4 Dead 2 mods by subscribers — within the top 1.49%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is Black Mesa: Fallouts v2.1 available on PC?
The official Steam Workshop listing establishes PC distribution for Left 4 Dead 2. This does not verify current downloadability or compatibility with every PC configuration. Official source ↗
Is Black Mesa: Fallouts v2.1 available on PlayStation 5?
No — Left 4 Dead 2 itself is not available on PlayStation 5, so neither the game nor its mods can run there.
Is Black Mesa: Fallouts v2.1 available on Xbox Series X|S?
No — Left 4 Dead 2 exists on Xbox Series X|S, but its mod system does not support Black Mesa: Fallouts v2.1 . Xbox 360 version, backward compatible on Xbox One/Series X|S. Add-on content is Steam Workshop only; console builds do not run Workshop mods.
When was the mod last updated?
The source listing reports April 10, 2026 as the last file update. A later comment or catalogue refresh does not mean the mod file changed. Official source ↗
What does the ModOrNot Score mean on this page?
It is a 0–100 momentum signal: 50% subscriber-growth velocity relative to mods in the same game, 20% favorite growth, 20% view growth, and 10% update recency. It is not a quality rating. The current score is 0.0.
Are these the real Steam Workshop numbers?
ModOrNot stores public Steam Workshop counts from its collection runs. The totals shown here are the latest counts stored in our catalogue; changes over time are calculated from recorded observations, not invented values. They can differ from the live listing until the next collection.
How is the rank computed?
ModOrNot compares tracked active Left 4 Dead 2 mods by their current stored subscriber totals. Rank #1 has the most subscribers; equal totals share a rank. The rank is calculated when this page loads and can change as counts or the catalogue change.