It is essential to distinguish between the concept of PS4 emulation and the specific entity known as "PCSX4."
PCSX4 claims to be a high-performance, open-source PS4 emulator capable of running AAA titles on Windows and Linux. However, there is no credible evidence of this software functioning. Real PS4 emulation is still in its infancy; existing legitimate projects (like shadPS4 or fpPS4 ) are highly experimental and cannot yet run most major games at playable speeds. Key Red Flags pcsx4 github