"Highly compressed" versions of games—often referred to as "repacks"—are a feat of digital engineering. To shrink a multi-gigabyte game into a fraction of its size, enthusiasts employ several techniques:
A "highly compressed" version of a game is a modified installer designed to reduce the download size significantly. While the full game might be several gigabytes, a repack can sometimes shrink that by 50% or more. How Compression Works prince of persia 2008 highly compressed