No Smoke and Flash

run_on_actor(getactors()[1], [[
local cloneref = cloneref or function(obj) return obj end
local newcclosure = newcclosure or function(fn) return fn end
local hookfunction = hookfunction or function(fn, replacement) return fn end
local lp = game:GetService("Players").LocalPlayer
local workspace = cloneref(game:GetService("Workspace"))
local createInstance = cloneref(Instance.new)
local tinySize = Vector3.new(0.001, 0.001, 0.001)

local hiddenParts = setmetatable({}, { __mode = "k" })
local handledSmoke = setmetatable({}, { __mode = "k" })

local originalGetPropertyChangedSignal
originalGetPropertyChangedSignal = hookfunction(
    game.GetPropertyChangedSignal,
    newcclosure(function(self, property)
        if hiddenParts[self] and (
            property == "Size" or
            property == "Transparency" or
            property == "LocalTransparencyModifier" or
            property == "Color"
        ) then
            return createInstance("BindableEvent").Event
        end
        return originalGetPropertyChangedSignal(self, property)
    end)
)

local function hidePart(part)
    hiddenParts[part] = true
    part.LocalTransparencyModifier = 1
    part.Size = tinySize
end

local function processSmokeObject(obj)
    if handledSmoke[obj] then
        return
    end
    handledSmoke[obj] = true

    pcall(function()
        if obj:IsA("BasePart") then
            hidePart(obj)
        end

        for _, item in ipairs(obj:GetDescendants()) do
            if item:IsA("BasePart") then
                hidePart(item)
            elseif item:IsA("ParticleEmitter") or item:IsA("Smoke") then
                item.Enabled = false
            end
        end
    end)
end

for _, child in ipairs(workspace:GetChildren()) do
    if child.Name == "SmokePart" then
        processSmokeObject(child)
    end
end

workspace.ChildAdded:Connect(newcclosure(function(child)
    if child.Name == "SmokePart" then
        processSmokeObject(child)
    end
end))

lp.PlayerGui.Flash.Enabled = false
]])