If the launch option code does not work, completely severing the game's ability to reach the internet will force it to automatically skip the facilitator handshake and jump straight into offline single-player mode.
If the public Facilitator network remains completely unreachable, you can bypass it entirely. Use third-party LAN simulation software like or Radmin VPN to play with friends. Download and install Radmin VPN or Hamachi .
Use Discord or another voice app. Coordinating with your friends makes hunting much easier.