Minimal topbar (Used in 2017 Egghunt and ROBEATS)

MinimalTopbarLocalscript.lua

wait()
game.Players.LocalPlayer:WaitForChild("PlayerGui")
local screengui = Instance.new("ScreenGui",game.Players.LocalPlayer.PlayerGui)
screengui.ResetOnSpawn = false
local frame = Instance.new("Frame",screengui)
frame.Name = "ChatTopbar"
frame.BackgroundColor3 = Color3.new(0,0,0)
frame.BackgroundTransparency = 0.6
frame.Size = UDim2.new(0,120,0,37)
frame.Position = UDim2.new(0,0,0,-36)
local imagebutton = Instance.new("ImageLabel",frame)
imagebutton.BackgroundTransparency = 1
imagebutton.Size = UDim2.new(0,35,0,33)
imagebutton.Position = UDim2.new(0,83,0,6)
do
    local chat_active = game.StarterGui:GetCore("ChatActive")
    if chat_active then
        imagebutton.Image = "rbxasset://textures/ui/Chat/ChatDown@2x.png"
    else
        imagebutton.Image = "rbxasset://textures/ui/Chat/Chat@2x.png"
    end
end
game:GetService("UserInputService").InputBegan:Connect(function(evt)
    if evt.UserInputType == Enum.UserInputType.MouseButton1 then
        local pos_offset = Vector2.new(evt.Position.X,evt.Position.Y + 36)
        if pos_offset.X > imagebutton.Position.X.Offset and 
            pos_offset.X < imagebutton.Position.X.Offset + imagebutton.Size.X.Offset and
            pos_offset.Y > imagebutton.Position.Y.Offset and 
            pos_offset.Y < imagebutton.Position.Y.Offset + imagebutton.Size.Y.Offset then
            
            local chat_active = game.StarterGui:GetCore("ChatActive")
            local tar_active = not chat_active
            game.StarterGui:SetCore("ChatActive",tar_active)
            if tar_active then
                imagebutton.Image = "rbxasset://textures/ui/Chat/ChatDown@2x.png"
            else
                imagebutton.Image = "rbxasset://textures/ui/Chat/Chat@2x.png"
            end
            
        end
    end
end)