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: They use custom algorithms to pack game files. This often involves "ripping" (removing) non-essential files like extra language audio or re-encoding high-definition videos to a lower bitrate. Included Content Assassin's Creed IV: Black Flag
It sounds like you're looking for information on the R.G. Mechanics repack Assassin's Creed IV: Black Flag
This repack significantly reduces the original ~30GB file size. While this saves disk space, older R.G. Mechanics repacks sometimes lose quality in video files to achieve these smaller sizes. Stability: