About ONI Multiplayer (Co-op)
What the creator says, alongside confirmed listing details.
ONI Multiplayer (Co-op) is a community item for Oxygen Not Included listed on Steam Workshop.
ONI Multiplayer (Co-op) Play the same colony with your friends. One player hosts, the others join by Steam or IP. Back up your saves before trying it. This mod...
Mod details
- Game
- Oxygen Not Included
- Creator
- Luquinhas
- Category
- Unclassified
- Published
- September 25, 2026
- Last Workshop update
- September 29, 2026
- Workshop item
- #3807965885
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 ↗
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File last updated
Latest file-change date reported by Steam Workshop. Steam listing ↗
Why it ranks here
ONI Multiplayer (Co-op) currently has 297 subscribers. Recent growth metrics are unavailable; the last calculation was 4d ago.
Metrics from 15 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 Oxygen Not Included mods
| Mod | Subscribers | 7d | Score |
|---|---|---|---|
| 1.7K | +1.3K | 99.8 | |
| 443 | +301 | 99.7 | |
| 394 | +283 | 99.7 | |
| 352 | +229 | 99.2 | |
| 176 | +109 | 98.9 |
Frequently asked questions
How popular is ONI Multiplayer (Co-op) compared with other Oxygen Not Included mods?
It ranks #1,870 among 2,920 tracked active Oxygen Not Included mods by subscribers — within the top 64.04%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is ONI Multiplayer (Co-op) available on PC?
The official Steam Workshop listing establishes PC distribution for Oxygen Not Included. This does not verify current downloadability or compatibility with every PC configuration. Official source ↗
When was the mod last updated?
The source listing reports September 29, 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 Oxygen Not Included 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.