Lost Chambers: Part One - Singular Portal Device
About Lost Chambers: Part One - Singular Portal Device
What the creator says, alongside confirmed listing details.
Lost Chambers: Part One - Singular Portal Device is a community item for Portal 2 listed on Steam Workshop.
This is the first part of "Cave Johnson's Lost Chambers" featuring the singular portal device. Which means to get around this level you will be using the button...
Mod details
- Game
- Portal 2
- Creator
- mikebeza
- Category
- Unclassified
- Published
- January 27, 2013
- Last Workshop update
- January 27, 2013
- Workshop item
- #123353639
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
Lost Chambers: Part One - Singular Portal Device currently has 2,530 subscribers. Recent growth metrics are unavailable; the last calculation was 3d ago.
Metrics from 12 stored snapshots. How ModOrNot ranks mods →
Subscriber change since tracked
View change since tracked
Favorite change since tracked
Platform availability
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 Portal 2 mods
| Mod | Subscribers | 7d | Score |
|---|---|---|---|
| 196 | +172 | 100.0 | |
| 446 | +17 | 99.9 | |
| 809 | +31 | 99.5 | |
| 302 | +107 | 99.3 | |
| 135 | +94 | 99.3 |
Frequently asked questions
How popular is Lost Chambers: Part One - Singular Portal Device compared with other Portal 2 mods?
It ranks #1,770 among 184,227 tracked active Portal 2 mods by subscribers — within the top 0.96%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is Lost Chambers: Part One - Singular Portal Device available on PC?
The official Steam Workshop listing establishes PC distribution for Portal 2. This does not verify current downloadability or compatibility with every PC configuration. Official source ↗
When was the mod last updated?
The source listing reports January 27, 2013 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 Portal 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.