Paradoxically, many "extreme rips" aim for the smallest size possible. Modders have stripped GTA 4 down to as little as 600 MB to 3 GB to run on mobile emulators or low-end PCs. These versions often remove 90% of the map, missions, and high-quality audio to achieve such small footprints.
An "extreme rip" is a version of the game that has been aggressively compressed and stripped of "non-essential" data to reduce its file size. While a standard repack (like from reputable sources) might reduce the download size to around by optimizing files, an "extreme" rip of 461 MB—or even up to 684 MB—is a "massacre" of the original game. The Real Cost of Extreme Compression gta 4 extreme rip in 461 gb free