If you are hesitant to mod your game files, there are two alternatives, though neither is as good as a true LAN fix.

Resident Evil 6 LAN Fix: How to Play Co-op on Local Networks in 2026

Ensure the identical game version is installed on all participating local computers. Mixed patches will prevent the lobby from appearing.

Ensure that every single PC on the local network selects the exact same city and region. Restart Steam to apply the changes. Method 3: Windows Defender Firewall Exceptions

This comprehensive guide delivers verified, step-by-step solutions to fix Resident Evil 6 LAN issues for both official Steam users and those utilizing custom network emulators. 1. Configure In-Game Network Settings First