OP Kill All Zombie Open Source

local GetService = game.GetService

--

local Workspace = GetService(game, "Workspace")
local Players = GetService(game, "Players")

--
local NPCs = Workspace.Game.Current.Spawned.NPCs.enemies
local LocalPlayer = Players.LocalPlayer

while task.wait(0.1) do
    -- 
    local Character = LocalPlayer.Character
    if not Character then continue end

    local Tool = Character:FindFirstChildOfClass("Tool")
    if not Tool then continue 
	
     ServerEvents = Tool.ServerEvents
     Fired = ServerEvents.Fired
     RegisterHit = ServerEvents.RegisterHit
    
     NPCs 
         _, NPC  (NPCs:()) 
              NPC:()   

             Head = NPC:()
              Head   

             Humanoid = NPC:()
              Humanoid  Humanoid.Health <=    

            Fired:()
            RegisterHit:(
                {{
                    amount = ,
                    target = NPC,
                    is_friendly = ,
                    part = Head,
                    cast_results = 
                }},
                {{
                    normal = .(,,),
                    part = Head,
                    distance = ,
                    material = .Material.Plastic,
                    pos = Head.Position
                }}
            )