Roblox Script Generated by ScripterAI

"create a script inside starterplayerscript that makes the players head follow the mouse cursor and everyone in game will see it."

-- local script inside StarterPlayerScripts 
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

local function updateHeadLook(player)
    local character = player.Character
    if character then
        local head = character:FindFirstChild("Head")
        local humanoid = character:FindFirstChild("Humanoid")
        if head and humanoid and humanoid.Health > 0 then
            local mouse = player:GetMouse()
            local camera = workspace.CurrentCamera
            local lookAt = camera.CFrame:ToWorldSpace(CFrame.new(mouse.Hit.p - camera.CFrame.p)).p
            local lookVector = (lookAt - head.Position).unit
            local rotation = CFrame.new(head.Position, head.Position + lookVector)
            head.CFrame = rotation
        end
    end
end

local function onPlayerAdded(player)
    RunService.RenderStepped:Connect(function()
        updateHeadLook(player)
    end)
end

Players.PlayerAdded:Connect(onPlayerAdded)

for _, player in ipairs(Players:GetPlayers()) do
    onPlayerAdded(player)
end