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SPECIFICTION
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xOBSE

github.com

Free plan WindowsLinux
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Spec score 7.6 #16 of 26 in Game Mod Loaders

What it is

xOBSE is a community-maintained fork of the Oblivion Script Extender, a tool that expands scripting capabilities for modders of The Elder Scrolls IV: Oblivion. The project is free and open source, with releases and source code available through its public GitHub repository. The latest listed release is xOBSE 22.13. Steam and GOG versions are supported, with GOG preferred; Direct2Drive is not supported. The README identifies English official patch v1.2.0.416 as supported and warns that localized versions with different executables or patches may not work. For Steam Proton on Linux, instructions call for renaming obse_loader.exe to OblivionLauncher.exe and launching through Steam. xOBSE does not change the game executable files on disk. It aims to preserve compatibility with existing mods and plugins, though beta releases can introduce errors. Mod Organizer 2 users need additional setup instructions. The repository also includes an example plugin project; plugin developers defining commands need an opcode range allocated by the maintainers.

Spec sheet

Purpose
OBSE expands the scripting capabilities of The Elder Scrolls IV: Oblivion for modders.Read 9 Oct 2026 · github.com
Product
xOBSE is a community maintained, up-to-date fork of the Oblivion Script Extender.Read 9 Oct 2026 · github.com
Support
The project directs users to its Discord server for support and GitHub issues for bug reports and other problems.Read 9 Oct 2026 · github.com
Antivirus notice
The README says antivirus detections of obse_loader.exe are a false positive and advises adding the file to antivirus exclusions.Read 9 Oct 2026 · github.com
Backward compatibility
The README says the project focuses on backward compatibility with existing mods and plugins, though beta releases may introduce errors.Read 9 Oct 2026 · github.com
Downloads
The repository links to the latest download and provides changelogs and releases in its releases section.Read 9 Oct 2026 · github.com
Game compatibility
The README says the GOG and Steam versions are supported, prefers GOG, and says the Direct2Drive version is unsupported.Read 9 Oct 2026 · github.com
Game version limit
The README identifies English official patch v1.2.0.416 as supported and says localized versions with different executables or patches may not work.Read 9 Oct 2026 · github.com
Game versions
The README says Steam and GOG versions are supported, with GOG preferred, while the Direct2Drive version is unsupported.Read 9 Oct 2026 · github.com
Installation
The README provides installation instructions for retail and Steam versions of Oblivion.Read 9 Oct 2026 · github.com
Installation behavior
The README says OBSE does not modify the game executable files on disk, so it has no permanent side effects.Read 9 Oct 2026 · github.com
Latest release
The releases page lists xOBSE 22.13 as the latest release and links to a ZIP asset.Read 9 Oct 2026 · github.com
Linux support
For Steam Proton on Linux, the README instructs users to rename obse_loader.exe to OblivionLauncher.exe and start the game through Steam.Read 9 Oct 2026 · github.com
Maintainers
The README says this version is maintained by llde and shadeMe.Read 9 Oct 2026 · github.com
Mod compatibility
The project says it focuses on backward compatibility with existing mods and plugins, while noting that beta releases can introduce unintended errors.Read 9 Oct 2026 · github.com
Mod Organizer 2
The README says Mod Organizer 2 users need special instructions for OBSE to function properly and links to a setup guide.Read 9 Oct 2026 · github.com
No permanent executable changes
OBSE expands scripting without modifying the game’s executable files on disk, so the README says it has no permanent side effects.Read 9 Oct 2026 · github.com
Opcode allocation
Plugin developers that define commands need to request an opcode range from the maintainers.Read 9 Oct 2026 · github.com
Plugin development
The repository includes an example project for creating OBSE plugins; plugins must make their source code available and may need an allocated opcode range.Read 9 Oct 2026 · github.com
Source availability
The repository is public and presents the project source code on GitHub.Read 9 Oct 2026 · github.com

Plans and prices

xOBSE Free The GitHub project offers a downloadable release; no paid plans or price are stated. Read 9 Oct 2026 · github.com

Every xOBSE plan and price →

Strong points and limits

Strong points

  • Free and open source, with public source code.
  • Supports Steam and GOG editions.
  • Does not modify game executable files on disk.
  • Includes an example plugin project.

Limits

  • Direct2Drive is unsupported.
  • Localized editions may not work.
  • Beta releases may introduce unintended errors.
  • Mod Organizer 2 requires additional setup.

Who it suits

xOBSE suits Oblivion modders who want expanded scripting and plugin support. Users should check their game edition and patch, and Mod Organizer 2 users need to follow its additional setup instructions.

Verdict

xOBSE extends Oblivion scripting while avoiding permanent changes to the game executable files. Its edition and patch limits matter, and Linux use requires a specific Steam Proton launch setup.

Where Specifiction places it

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