While the main Grand Theft Auto IV (2008) was launched for PlayStation 3 and PC, the PlayStation Portable (PSP) version refers to Grand Theft Auto: Liberty City Stories (GTA LCS), a prequel set in the same universe. Released in 2008, LCS is a side story in the GTA IV series, featuring flashbacks and set in 1974 Liberty City. It is compatible with the PPSSPP emulator, allowing it to be played on modern devices.
: The PSP hardware (and by extension, the PPSSPP emulator) cannot run the original RAGE engine used by GTA IV. Real GTA IV files are approximately 32 GB, while PSP discs were limited to roughly 1.8 GB. Risks and Security Warnings gta iv ppsspp iso file 7z download portable