Monster Sanctuary Aspect Ratio Fix v2.0.0
First public release
A BepInEx mod that adapts Monster Sanctuary for 4:3 and 16:10 displays.
Features
- Corrected gameplay camera framing
- Repositioned and rescaled menus, HUD elements, and combat interfaces
- Integer pixel scaling where appropriate
- Support for 4:3 and 16:10 resolutions
- No changes at standard 16:9 resolutions
Requirements
- Monster Sanctuary for Windows
- BepInEx 5
See the README for Windows, Steam Deck, and GameNative installation instructions.
Packaging update
The downloadable mod is now provided as a ZIP containing both the compiled plugin and the GPL-3.0 license. The plugin code is unchanged.
Optional RG405M GameNative Configuration
An exported GameNative configuration for the tested Anbernic RG405M setup is available as a separate optional download:
MonsterSanctuary-GameNative-RG405M.json
This configuration includes the tested 640×480 display settings, Proton 9.0 ARM64EC, FEXCore, DXVK Async, and the Wine DLL override required for BepInEx.
Importing a configuration may replace your existing GameNative container settings. Back up your current configuration before importing.
This file is provided as a known-working starting point for the RG405M. Other devices or GameNative versions may require adjustments.