Modders edit these files, then repack them, and the game loads the modified versions in preference to the base game files.
Ubisoft released several official updates for Far Cry 3 (e.g., v1.01, v1.02, v1.03, v1.04, and v1.05). Each official patch typically ships with its own patch.dat and patch.fat . The “original” files refer to the versions that come with a clean, unmodded installation of the game at a specific patch level. Preserving these original files is crucial because they serve as the baseline for troubleshooting, uninstalling mods, or restoring the game to its vanilla state.
There are two primary ways to restore your original files, ensuring your game is "vanilla" (unmodified) once again. Method 1: Steam / Uplay File Verification (Recommended)
Acts as an index for the .dat file, telling the game engine where to find specific assets within the larger .dat file. Far cry 3 original patch.dat patch.fat 72
: If you are experiencing issues with newer versions (like v1.06), guides on Steam Community suggest using specific v1.05 versions of these files to fix negative mouse acceleration and other bugs .
With these practices in mind, you’ll be able to enjoy Far Cry 3 exactly the way you want—whether that’s with a dozen mods, a single gameplay fix, or a pristine, original experience.
: These are "BigFile" archives. The .fat (File Allocation Table) acts as an index that tells the game engine where to find specific assets inside the .dat (Data) file. Modders edit these files, then repack them, and
The two files work together:
⚠️ These pages often include aggressive advertising, misleading download buttons, and sometimes even malicious content. The descriptions are often garbled or copy‑pasted, and the files themselves may not be genuine.
Understanding and Restoring the Original Far Cry 3 patch.dat & patch.fat Files The “original” files refer to the versions that
When users refer to "patch.dat patch.fat 72", they are typically talking about a specific version patch (often v1.05) or, more frequently, a file size mismatch resulting from a "failed patch update" that leaves the game in a broken state 4.2.1. This often manifests as an "unable to load" error, black screen, or missing weapon/texture issues. How to Restore Original patch.dat and patch.fat (3 Methods)
This creates a unpacked folder containing all the game's xml, scripting, and tuning files.