Tony Hawk's Pro Skater 1+2
This only removes the custom encryption used in the game (Not tested)
Drag and drop the game folder and xtool will remove the encryption and give you the decrypted pak files in output folder which will be your new game files, use -mzlib on them for precompression.
Base\Content\Paks\pakchunk1-WindowsNoEditor.pak
Code:
Compressed 1 file, 291,695,622 => 503,712,687 bytes. Ratio 172.68%
Compression time: cpu 0.05 sec/real 2.30 sec = 2%. Speed 126.91 mB/s
This is not tested and will all depend on your luck.