About OWB: UTCM Addon - Megacity Blocks
What the creator says, alongside confirmed listing details.
OWB: UTCM Addon - Megacity Blocks is a community item for Hearts of Iron IV listed on Steam Workshop.
An Ultimate Tech Compatibility Mod Addon I like using mods that increase the amount of building slots, but I also like making the Followers of the Apocalypse ha...
Mod details
- Game
- Hearts of Iron IV
- Creator
- Zam138
- Category
- Unclassified
- Published
- October 10, 2025
- Last Workshop update
- September 9, 2026
- Workshop item
- #3584510241
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
OWB: UTCM Addon - Megacity Blocks has 2,086 subscribers and ranks #4,264 in Hearts of Iron IV (#4,264 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 17 stored snapshots. How ModOrNot ranks mods →
Subscriber change since tracked
View change since tracked
Favorite change since tracked
Platform availability
Paradox grand-strategy title published for PC only; no console edition for HoI4.
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 Hearts of Iron IV mods
| Mod | Subscribers | 7d | Score |
|---|---|---|---|
| 7.7K | +7.2K | 100.0 | |
| 2.3K | +2.1K | 100.0 | |
| 1.7K | +1.3K | 100.0 | |
| 830 | +630 | 100.0 | |
| 1.2K | +1.1K | 100.0 |
Frequently asked questions
How popular is OWB: UTCM Addon - Megacity Blocks compared with other Hearts of Iron IV mods?
It ranks #4,264 among 67,368 tracked active Hearts of Iron IV mods by subscribers — within the top 6.33%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is OWB: UTCM Addon - Megacity Blocks available on PC?
The official Steam Workshop listing establishes PC distribution for Hearts of Iron IV. This does not verify current downloadability or compatibility with every PC configuration. Official source ↗
Is OWB: UTCM Addon - Megacity Blocks available on PlayStation 5?
No — Hearts of Iron IV itself is not available on PlayStation 5, so neither the game nor its mods can run there.
Is OWB: UTCM Addon - Megacity Blocks available on Xbox Series X|S?
No — Hearts of Iron IV itself is not available on Xbox Series X|S, so neither the game nor its mods can run there.
When was the mod last updated?
The source listing reports September 9, 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 7.2.
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 Hearts of Iron IV 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.