Simple ESP Script

local localPlayer = game.Players.LocalPlayer

-- CONFIG
local settings = {
    boxColor = Color3.fromRGB(255, 0, 0),
    nameColor = Color3.fromRGB(255, 255, 255),
    healthBarColor = Color3.fromRGB(0, 255, 0),
    refreshRate = 0.1
}

local espObjects = {}

local function createESP(player)
    if player == localPlayer or espObjects[player] then return end
    local character = player.Character
    if not character or not character:FindFirstChild("Head") then return end

    local head = character.Head

    local bill = Instance.new("BillboardGui")
    bill.Name = "ESP"
    bill.Adornee = head
    bill.Size = UDim2.new(0, 200, 0, 50)
    bill.StudsOffset = Vector3.new(0, 3, 0)
    bill.AlwaysOnTop = true

    local name = Instance.new("TextLabel", bill)
    name.Text = player.Name
    name.Size = UDim2.new(1, 0, 0.5, 0)
    name.BackgroundTransparency = 1
    name.TextColor3 = settings.nameColor
    name.TextStrokeTransparency = 0
    name.TextScaled = true

    local healthBG = Instance.new("Frame", bill)
    healthBG.Position = UDim2.new(0.25, 0, 0.5, 0)
    healthBG.Size = UDim2.new(0.5, 0, 0.15, 0)
    healthBG.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
    healthBG.BorderSizePixel = 0

    local healthBar = Instance.new("Frame", healthBG)
    healthBar.Name = "HealthBar"
    healthBar.Size = UDim2.new(1, 0, 1, 0)
    healthBar.BackgroundColor3 = settings.healthBarColor
    healthBar.BorderSizePixel = 0

    bill.Parent = head
    espObjects[player] = {billboard = bill, healthBar = healthBar}
end

game:GetService("RunService").RenderStepped:Connect(function()
    for player, esp in pairs(espObjects) do
        if player and player.Character and player.Character:FindFirstChild("Humanoid") then
            local health = player.Character.Humanoid.Health
            local maxHealth = player.Character.Humanoid.MaxHealth
            esp.healthBar.Size = UDim2.new(math.clamp(health / maxHealth, 0, 1), 0, 1, 0)
        end
    end
end)

for _, player in pairs(game.Players:GetPlayers()) do
    createESP(player)
end

game.Players.PlayerAdded:Connect(function(player)
    player.CharacterAdded:Connect(function()
        wait(1)
        createESP(player)
    end)
end)