An Atari spokesman  Atari handles distribution of Konami games in Australia  told Gamespot that the OFLC "found issue with the high impact of Silent Hill's violence," though unlike Fallout 3, where use of Morphine was cited as a reason for that game's ban, no specifics instances are named.
Silent Hills was cancelled in 2024 after Hideo Kojima and Konami fell out, leaving P.T. behind as the only glimpse into what a Kojima-developed Silent Hill project would look like. The only way to access it today is either via watching it on YouTube or by hacking or jailbreaking your PS4.