Many -R.G. Mechanics- releases of Resident Evil 6 included a registry script that allowed the game to run as a portable application. This was a godsend for LAN parties or gamers with SSDs too small to hold 20 GB of raw data. You could install it on an external HDD, plug it into any Windows 7/8/10 machine, run the registry fix, and play.
During the height of physical-to-digital transitions in PC gaming, file sizes began to balloon exponentially. For players with limited bandwidth or hardware constraints, repack teams became an essential lifeline. -R.G. Mechanics- Resident Evil 6