Portal chamber 18
View on Steam WorkshopCommunity verdict: MOD / NOT
Would you install this mod? 0 community votes.
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Portal chamber 18 currently has 1 subscribers. Recent growth metrics are unavailable; the last calculation was 39d ago.
Metrics from 0 stored snapshots. How ModOrNot ranks mods β
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” β we never assume a PC Workshop mod runs on a console.
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199 | +172 | 100.0 |
| MOMENTUM (Remake) | 445 | +17 | 99.9 |
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| pedestal | 137 | +94 | 99.3 |
| Fizzle Through: Intro (Part 1) | 1K | +227 | 99.2 |
Frequently asked
Frequently asked questions
Is Portal chamber 18 available on PC?
Yes β Portal chamber 18 is available on PC for Portal 2. Verified against the official listing.
What does the ModOrNot Score mean on this page?
It is a 0β100 momentum signal combining 7- and 30-day subscriber velocity and acceleration. Higher means the mod is gaining adoption faster relative to its own baseline β not that it is bigger.
Are these the real Steam Workshop numbers?
Yes. Subscribers, favorites and views are read from the public Steam Workshop page and stored as snapshots; the deltas are computed from those snapshots, never estimated.
How is the rank computed?
Rank is the modβs position among active mods of the same game, ordered by total subscribers. It is recomputed every collection cycle.