Jammers
From Growtopia
Jammers are very key when it comes to having even more control of how other users interact with your world. They allow you to either prevent or enable a specific action such as users infecting or users punching.
Signal Jammer This will prevent users from knowing your world location when messaging or broadcasting
Punch Jammer This will prevent users from punching others in that world
Zombie Jammer This will prevent user from infecting others in that world
