UNBSE - Unblivion Script Extender

UNBSE

Unblivion Script Extender for Oblivion Remastered

0. 13. 0 Release Candidate  |  Steam runtime 1. 512. 105. 0  |  Windows x64

One download for Vortex, Mod Organizer 2, and manual installation.

GitHub and source  |  Developer documentation

What UNBSE provides

UNBSE is an open native extension layer for Oblivion Remastered. It provides the foundation used by compatible native mods without replacing the game or its data files.

• []Native plugin loading from the existing OBSE\Plugins directory.[/]

  []Lifecycle events and messaging for communication between compatible plugins.[/]

  []Runtime identity and bounded relocation services for build-aware native add-ons.[/]

  []Executable trampolines for compatible plugins, including zero-size capability probes.[/]

  []A versioned SDK with public C headers for add-on developers.[/]

  []A pinned patched UE4SS host with the settings and diagnostics UNBSE requires.[/]

  New in 0. 13. 0

  • []ConsoleUtils 1. 1 compatibility adapts the UNBSE host for the original utility DLL from Nexus mod 5021 without modifying, rebuilding, signing, or bundling that author's mod.[/]

    []A narrowly gated legacy C++ path applies only to the exact ConsoleUtils name and 1. 1 version. Other C++ mods continue through the normal host path.[/]

    []One-shot EngineTick initialization lets ConsoleUtils establish its game-thread guard without attempting to hook UE4SS's already-detoured tick target a second time.[/]

    []Settings recovery lists missing or incompatible required UE4SS settings and offers to repair only those keys while preserving unrelated settings and comments.[/]

    []Safe restart behavior creates a uniquely named .unbse-backup, exits without starting the game, and asks you to launch again from Vortex, MO2, or your normal launcher.[/]

    []Direct-launch hardening lets Windows initialize the game process before injection and verifies UE4SS from the remote module list.[/]

    Supported runtime only

    UNBSE 0. 13. 0 supports Oblivion Remastered on Steam, executable version 1. 512. 105. 0. Older game builds are not supported. Native OBSE64 compatibility remains plugin-by-plugin; a warning-free scan is not a guarantee that every plugin is safe.

    Before installing

    Remove the legacy OBSE64 loader/runtime files from the game's Win64 directory:

    obse64_loader.exe

    obse64_steam_loader.dll

    obse64_*.dll

    Keep OBSE\Plugins. UNBSE uses that directory to discover compatible native plugins.

    If you use Vortex, also remove the separate community UE4SS package (Nexus mod 32) so only UNBSE owns the bundled UE4SS host.

    Vortex installation

    1. Download UNBSE-0. 13. 0.zip from the Files tab and install it with Vortex.

    2. Deploy the mod and allow UNBSE to win conflicts against an older UE4SS or UNBSE installation.

    3. Add the deployed UNBSELoader.exe as a Vortex tool and make it the primary launch tool.

    4. Launch through UNBSELoader. If it offers to repair an older UE4SS-settings.ini, choose Yes, wait for the restart message, and launch the tool again.

    Mod Organizer 2 installation

    1. Install the same UNBSE-0. 13. 0.zip.

    2. Accept the Oblivion Remastered plugin's automatic file-tree fix.

    3. Add and run UNBSELoader.exe from the resulting physical Root tree so validation and launch occur after MO2's virtual filesystem is active.

    4. If settings repair is accepted, wait for the restart message and run the same MO2 executable again.

    Manual installation

    Extract UNBSE-0. 13. 0.zip directly into:

    Oblivion Remastered\OblivionRemastered\Binaries\Win64

    After extraction, this directory contains UNBSELoader.exe and dwmapi.dll, with the patched host and modules under ue4ss. Launch UNBSELoader.exe.

    ConsoleUtils 1. 1

    Install and enable ConsoleUtils 1. 1 separately from the original Nexus page. UNBSE does not include or replace ConsoleUtils. The compatibility change belongs entirely to UNBSE's patched host and lea