This level of compression is usually achieved by removing almost all non-essential data: video cutscenes, high-resolution textures, multiple language packs, and commentary files. These "Repack" or "Rip" groups strip the game down to its bare bones—often leaving only the core gameplay engine and one stadium.
—unofficial "highly compressed" repacks claim to offer the full game experience in a drastically reduced file size. Google Groups Key Characteristics of Highly Compressed Repacks Selective Components : To achieve extreme compression (often closer to 400MB–600MB fifa 13 highly compressed pc 100mb