It tells the game to look for "Lobbies" on IP addresses starting with 192.168.x.x (or whatever your router assigns). This allows two computers connected to the same router to "see" each other without an internet connection.
| Method / Tool | Primary Use Case | Ease of Setup | Key Notes | | :--- | :--- | :--- | :--- | | | Pure LAN (No internet required) | Moderate | Replaces Steam API DLL; requires game knowledge ; ultimate stability for LAN | | SmartSteamEmu (SSE) | LAN w/out account bans | Moderate | Standalone Steam Client emulator; works via VPN for virtual LANs | | RE6 Fusion Fix | Splitscreen & LAN | Easy | A specialized mod for full-screen splitscreen co-op & screen swap | | NoGSFix / Tunngle | LAN connectivity | Advanced | Obsolete; legacy method (Tunngle shutdown); not recommended for new setups | | 游侠对战平台 (YX Arena) | Virtual LAN via platform | Easy | Platform-based solution ; uses dedicated BH6-LAN.exe launcher; Chinese application | | Virtual LAN Software | Internet-based virtual LAN | Easy | Radmin VPN, ZeroTier, Hamachi; creates encrypted virtual LANs over the internet | resident evil 6 lan fix