In the world of PC software and gaming, a "repack" is a compressed version of a game. Scene groups take the original files, strip out non-essential languages, re-encode video files, and compress the data to the absolute limit to reduce file size.
Do not panic if the progress bar freezes at 55% — this is where the repack decompresses the largest asset file ( data.mgz ). Metal Gear Rising- Revengeance-BlackBox Repack