Create a especific multiplayer server

Has a big map and a lot of loot (the lot respawn) can have until 4 players on your base but everybody can do whatever they want. Like control the base togheter as a comunity and eatch player has some job on the comunity and the objetive is survive until some day or extraction day , can count one year on the game. Each day or month that pass appear more and diferent kind of zombies. But could have visitors from others server that can steal or help with material so we can visit other player's games. Each player can use 3 characters and If everybody die the game finish.