rtx file - RTX Remix Config mod for XIII

Download the XIII All-In-One Installer

Run the installer. When prompted, select to upgrade the installation

Point the file destination to the root directory of your Steam install.

Select your screen aspect ratio (we recommend 16:9 as we have tested the game with it).

Finish the installation.

Download config file.

Open your game directory, e.g. F:\SteamLibrary\steamapps\common\XIII - Classic (if you’re using the Steam version of the game, right click it in your Library > Properties > Installed Files > Browse…)

Copy-paste the file into game directory.

If you’re not using 3840x2160 to play, go to the System folder and open XIII.ini

Scroll down to [WinDrv.WindowsClient] and change FullscreenViewportX and FullscreenViewportY to your chosen resolution.

Load the game, select a level by using the profile selector. Note, the first level of the game is mostly working without issue.