X Rebirth — Catalog Tool 1.10 |link|

For those looking to start modding or simply extract game assets, the process generally follows these steps:

Extract the executable file to a dedicated modding folder (e.g., C:\XRebirthModding\ ).

While Egosoft games have used catalog systems for decades, the Rebirth tool was built to handle the engine's specific compression and file indexing. Its utility is two-fold:

The 1.10 update, released on December 13, 2016, introduced several critical improvements: X Rebirth Catalog Tool 1.10

Automatically handles the zlib compression algorithms used by Egosoft without corrupting XML syntax. Step-by-Step Guide to Extracting Game Files

: Extracts files from game archives and repacks modified assets back into custom catalogs.

XRCatTool.exe -x "C:\Steam\steamapps\common\X Rebirth\01.cat" -d "C:\XRebirth_Extracted" Use code with caution. For those looking to start modding or simply

Instead of replacing entire XML profiles, use Egosoft's XML diff system ( or ). This allows your mod to remain compatible with future game updates and other community projects.

: Retains the exact nested folder structure ( assets/fx/textures , aiscripts/ , etc.) during extraction.

Remember that X Rebirth loads extensions in alphabetical or defined dependency order. If your mod relies on another, ensure your extension metadata reflects this hierarchy. Step-by-Step Guide to Extracting Game Files : Extracts

Set the source directory to your root mod folder ( MyModFolder ). Define the output file name (e.g., ext_01.cat ). Click . Using the command line:

: Running the tool without necessary runtime libraries.

Move your new catalog files into the X Rebirth extensions directory: X Rebirth\extensions\your_mod_name\ . Launch the game to verify your changes. Best Practices and Troubleshooting Always Use Mod Patches (Diffs)

At its core, the X Catalog Tool (specifically version 1.10) is a utility designed to pack and unpack the proprietary .cat and .dat archive files used by Egosoft in their X series of games, starting with X Rebirth. These files are not just simple folders; they are complex archives that bundle thousands of game files—everything from 3D models and textures to the XML scripts that define mission logic and AI behavior.