In Multiplayer, set to Open . Use the in-game friends menu or hotkeys (like F2 ) to invite or auto-connect the other instances. Optimization Tips

: Supports up to 4 players in Zombies and up to 8 players in Multiplayer, depending on your PC's hardware.

: Multiple controllers (Xbox, PlayStation, or generic XInput) are highly recommended, as sharing one keyboard is difficult.

that offered improved servers and anti-cheat. Modders developed Plutonium-specific handlers for Nucleus Co-op, adding features like:

What it does

: Modern scripts include options to set field-of-view (FOV) for each player, unlock all items, and even add up to 18 bots in multiplayer matches. Setting It Up

To turn your PC into a true arcade machine, go beyond the mod: