Tired of the official match balls? Modders can edit the RX3 files associated with balls to import custom designs, such as retro balls or special edition Champions League balls. Similarly, stadium textures—like the grass pattern or the crowd density—can be tweaked.
The data is optimized for fast loading and often uses proprietary compression (like Chunkzip) . 2. Core Editing Tools rx3 file editor
Use a tool like RX3 Texture Exporter to turn the internal textures into standard .dds or .png files. Tired of the official match balls