Real-time decompression on the PS3 is limited by the console's and 256MB of Video RAM . If a game were "highly compressed," the console would not have the processing power or memory to unpack those files on the fly while running the game. Looking for Research Papers?
However, the "PS3 Scene" does have one real alternative: . Modders can rip their disc, split the 18GB game into 1GB chunks, and upload those. You still download 18GB—just in smaller pieces. That is not "high compression." That is just "convenient packaging." Gta V Ps3 Highly Compressed