OpenBOR games are distributed as .pak files, often referred to as "modules" or "mods." For the RetroArch core to read them correctly in a portable environment, you must use a specific folder structure. Open your portable RetroArch folder. Navigate to the system directory. Create a new folder named OpenBOR (case-sensitive). Inside the OpenBOR folder, create a subfolder named Paks .
While standalone versions of OpenBOR exist for Windows, Android, and Linux, integrating OpenBOR into RetroArch offers several distinct advantages:
For fans of side-scrolling beat 'em ups, the engine is a treasure trove of fan-made gems, original brawlers, and high-quality remakes. Running the RetroArch OpenBOR core in a portable configuration allows you to carry an entire arcade ecosystem of custom brawlers on a single USB drive, SD card, or external SSD, completely plug-and-play across multiple devices.
What do you plan to run this portable drive on (Windows, Linux, SteamOS/Steam Deck)? retroarch openbor core portable
The core cannot find the OpenBOR data folder. Fix: Go to RetroArch/system/ . Create a folder literally named OpenBOR (Case sensitive on Linux!). Inside that folder, create another folder named Saves . Retry loading the PAK.
Inside your portable RetroArch folder, navigate to the system directory.
Click . A clean OpenBOR tab will now appear on your RetroArch main menu. Optimizing the OpenBOR Core Experience OpenBOR games are distributed as
Note: If you don't see it, go to and ensure "Core Downloader" is enabled. 3. Organize Your Game Files OpenBOR games are usually distributed as .pak files.
By default, the archive version of RetroArch is highly portable. However, to guarantee that RetroArch treats its root folder as the absolute anchor for all directory paths, create an empty text file inside the main RetroArch folder and name it retroarch-portable.cfg . This forces the system to look inward for saves, playlists, and assets rather than defaulting to the host PC. Step 2: Installing the OpenBOR Core
The RetroArch OpenBOR core portable is a pre-configured package that includes the RetroArch emulator, the OpenBOR core, and a collection of popular OpenBOR games. This portable package allows users to play their favorite beat-em-up games on-the-go, without the need for complicated setup or configuration. Simply download the package, extract it to a folder, and start playing. Create a new folder named OpenBOR (case-sensitive)
While in the Updater, select "Update Assets," "Update Configs," and "Update Core Info Files" to ensure maximum compatibility. 3. Organizing and Loading OpenBOR Games ( .pak Files) OpenBOR games are packaged as a single .pak file.
This is where the magic happens for users who want their game library on a USB stick, external SSD, or cloud folder.
: Format a memory stick and assign it a fixed drive letter (like X: ) to maintain consistent file paths across different PCs. Core Installation :