The beta build, while based on the retail NTSC-U version, had notable technical adjustments. Polyphony Digital removed "Course Preview Movies"—the FMVs that played during track selection—likely to fit the data onto a single-layer disc for cheaper distribution.
: The build included a chat center supporting both text and voice messages, along with an internet ranking chart hosted on the official Gran Turismo website. Gran Turismo 4- Online Public Beta -Normal Down...