DuckStation is currently the gold standard for PS1 emulation.

Don't forget the Konami Code at the main menu (↑ ↑ ↓ ↓ ← → ← → X ○) to unlock the hidden All-Star teams! Who’s down for a match? 👇

: This is the most common method. Using the Beetle PSX or SwanStation cores within RetroArch, you can host or join a "Netplay" session. Both players must have the exact same ROM/ISO version (e.g., the English-patched Final Version ) to ensure synchronization.

Lag: None. Smiles: Endless.