Technically, the file is often edited using tools like "Hex on Steroids" or specialized .iff editors. Unlike standard menus where you adjust sliders between 0–100, the tunedata.iff allows for deeper adjustments that "bake" these values into the game's core logic. Advanced users have mapped out the hex rows to identify specific sliders, though some values remain "unknown" even to veteran researchers.
version for a particular mod, or just trying to fix a broken game installation? Nba 2k14 Original Tunedata.iff