![[CAS Data] Underbarrel Grenade Launcher Pack preview](https://images.steamusercontent.com/ugc/9263955705842542056/325B0BA154E9FB49E15AFDFF4307AA1113547858/)
[CAS Data] Underbarrel Grenade Launcher Pack
About [CAS Data] Underbarrel Grenade Launcher Pack
What the creator says, alongside confirmed listing details.
[CAS Data] Underbarrel Grenade Launcher Pack is a community item for Left 4 Dead 2 listed on Steam Workshop.
Blow Those Bastards Up! WARNING: PLEASE SUBSCRIBE ALL THE RELEVATIVE MOD AT THE SAME TIME, Otherwise, this mod will be not activated!!!!! This is a Data Pack fo...
Mod details
- Game
- Left 4 Dead 2
- Creator
- yshjdw
- Category
- Unclassified
- Published
- September 14, 2026
- Last Workshop update
- September 14, 2026
- Workshop item
- #3801529412
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
[CAS Data] Underbarrel Grenade Launcher Pack currently has 85 subscribers. Recent growth metrics are unavailable; the last calculation was 14d ago.
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 |
|---|---|---|---|
| 593 | +513 | 100.0 | |
| 927 | +830 | 100.0 | |
| 767 | +604 | 100.0 | |
| 526 | +391 | 100.0 | |
| 2.3K | +2.2K | 100.0 |
Frequently asked questions
How popular is [CAS Data] Underbarrel Grenade Launcher Pack compared with other Left 4 Dead 2 mods?
It ranks #135,803 among 179,000 tracked active Left 4 Dead 2 mods by subscribers — within the top 75.87%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is [CAS Data] Underbarrel Grenade Launcher Pack 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 [CAS Data] Underbarrel Grenade Launcher Pack 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 [CAS Data] Underbarrel Grenade Launcher Pack available on Xbox Series X|S?
No — Left 4 Dead 2 exists on Xbox Series X|S, but its mod system does not support [CAS Data] Underbarrel Grenade Launcher Pack. 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 September 14, 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. A recent score is unavailable for this mod, so no estimated value is shown.
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.