Unity Network using Mirror

Hello from Germany, I have a already finished Game and i want you for making my Game Ready for Network using Mirror. Currently i already use Mirror, multiple Connection seems to work, but if i move one player = all player moves. Also i cant see other players, i always see only myself and its spawns 2 times on a random client. i think its just a Client to Server issue and need someone with some experience. I dont know much about this how to SyncVar correct. Its a Game like [login to view URL] where you moving a Snake, eat to grow up and let other player collide with you. I implemented AI Enemys which moves auto to food and kill them self if they grew up enough. They should also be visible for all player on the same position. What do you think, are you ready to implement mirror to a finished game? Its really not that much, but Networking is not my area.. ---- So what i need is: Movement, Player Visibility and corrent Prefab Spawning. Greetz Steven