Sony released select PS2 games on PS4 using a proprietary emulator (ps2_emu.self). This emulator:
While there are command-line methods, the most common and user-friendly method involves using a GUI wrapper.
Tools required:
Process:
ISO → Extract with PS2 Classic Tool → Generate emulator config →
Create PS4 project files → Build with Orbis → Output PKG
Result: Works for ~60-70% of games (compatibility varies).