Oblivion Online Mod - (UDP - Python)
🟡 Updated this year⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 1.8% endorsement rate — high engagement, a strong quality signal
- 🏆 #191 of 308 Gameplay Effects and Changes mods in this game by downloads
📋 About This Mod
2025 UPDATE
Well its been a long time maybe 6 years sense I had my hands on this project, But I will be continuing development this time
Here you can follow my dev logs before I post updates to Nexus here offically
https://discord.gg/89WGpGYARr
Or can help with the development or beta testing
_____________(_)________________
2. 1 FRAMEWORK CORE UPDATE
the "ob_online.dll" uses a single function added to TES CS TESscript as "ob_online_SendToServer"
"ob_online_SendToServer" works as such
ob_online_SendToServer serverreturn:string_var stringtosend:string_var
first argument is server return, Second argument is string we send to python server.
EXAMPLE
string_var srvdata
string_var sendto
let srvdata := sv_Construct "server return"
let sendto := "send to server"
ob_online_SendToServer srvdata $sendto
DEV UPDATE
VERSION 2. 1
Currently switching framework entirely reworking entire framework and backend server.
2. 1 new framework core ONLY showcases a working login/registration system from game to python server.
Converting to UDP networking packets and compressed data. This will vastly improve the communication of game to and from server.
Added working login/registration system to new framework and core using udp networking.
COMING IN VERSION 2. 2
Character sync, syncing character position/styles/animations.
COMING IN VERSION 2. 3
Converting server to work in a authorative way where server has master control over world state.
__________________________________
patch v1. 2. 0416 is required
If using the retail ISO/Disc image install you may need to upgrade to patch v1. 2. 0416
If using Steam/GOG versions these clients should already be running patch v1. 2. 0416
As well as the GoTY versions.
Get OBSE (Oblivion Script Extender) installed with your oblivion game.
https://obse.silverlock.org/
You need at minimum version 17b but its suggested to use latest 20+ version
If using GOG make sure to download the GOG version of obse_loader.exe Otherwise if using steam or retail ISO install you are fine with default obse_loader.
Find or host a server, At the moment dev test servers can be found on discord. If you want to play on a server with other players, A system hosting the python server is required. You can host the game server yourself, Simply go to Python UDP Server folder and execute the server.bat program. By default server will run on port 1340
Oblivion Online Mod (UDP - Python) introduces a UDP networking framework that lets your TES4 ESP mods communicate directly with a Python server, enabling real-time data exchange and expanded mod capabilities. With 405 endorsements and recent updates, it's a niche tool for modders seeking online or networked features in Oblivion.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Active development – last updated March 2026, so it's likely compatible with current setups.
- Community trust – 405 endorsements and 22k downloads show real interest.
- Opens up wild possibilities – your ESP mods can do anything Python can, which is huge for creative modders.
⚠️ Cons
- Not for casual players – this is a modder's tool, not a plug-and-play gameplay mod.
- Requires Python knowledge – you'll need to write or run a Python server to use it.
- Niche use case – if you're not into networked or online features, this won't add anything to your game.
For Oblivion modders who want to push the boundaries with networked features or integrate Python scripts into their ESP mods. If you're a player looking for new quests or items, skip this – it's a framework, not content.
💡 Beginner Tips
- Make sure you have Python installed and know how to run a server script – this mod won't work without it.
- Test with a simple ESP mod first to understand how the UDP communication works before building complex features.
- Check the mod's forum or comments for any setup guides – the description is sparse, so community help is key.
📊 Mod Details
- Game
- Oblivion Mods
- Author
- myswordnu
- Version
- 2.1
- Downloads
- 22,967
- Endorsements
- 405
- Category
- Gameplay Effects and Changes
- Created
- 10/16/2016
- Updated
- 3/14/2026
🔧 How to Install Oblivion Mods
Download from Nexus.
📖 Full step-by-step install guide for Oblivion →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Oblivion commands, item IDs, and more.
Keep browsing — more Oblivion mods await