bettr.lua

setscriptable(game:GetService("Workspace"), "SignalBehavior", true) --cause sethiddenprop is shit and errors for some reason
setscriptable(game:GetService("Workspace"), "InterpolationThrottling", true)
setscriptable(game:GetService("Workspace"), "ClientAnimatorThrottling", true)
setscriptable(game:GetService("Workspace"), "MeshPartHeadsAndAccessories", true)
setscriptable(game:GetService("Workspace"), "PhysicsSteppingMethod", true)
setscriptable(game:GetService("Workspace").Terrain, "WaterTransparency", true)
setscriptable(game:GetService("Workspace").Terrain, "Decoration", true)
setscriptable(game:GetService("Lighting"), "Technology", true)
setscriptable(game:GetService("Lighting"), "EnvironmentDiffuseScale", true)
setscriptable(game:GetService("Lighting"), "EnvironmentSpecularScale", true)
setscriptable(game:GetService("Lighting"), "GlobalShadows", true)

setscriptable(game:GetService("Workspace"), "LevelOfDetail", true)
game:GetService("Workspace").LevelOfDetail = Enum.ModelLevelOfDetail.Disabled

settings().Rendering.QualityLevel = "Level01"
game:GetService("Lighting").GlobalShadows = false
game:GetService("Lighting").FogEnd = 9e9
game:GetService("Lighting").Brightness = 0
game:GetService("Workspace").Terrain.WaterWaveSize = 0
game:GetService("Workspace").Terrain.WaterWaveSpeed = 0
game:GetService("Workspace").Terrain.WaterReflectance = 0
game:GetService("Workspace").Terrain.WaterTransparency = 0

 for _,v in pairs(game:GetService("Lighting"):GetChildren()) do 
        if v:IsA("BlurEffect") or v:IsA("BloomEffect") or v:IsA("SunRaysEffect") and v.Name ~= "" then 
            v.Enabled = false 
        end
    end

 for i,e in pairs(game:GetService("Lighting"):GetChildren()) do
        if e:IsA("BlurEffect") or e:IsA("SunRaysEffect") or e:IsA("ColorCorrectionEffect") or e:IsA("BloomEffect") or e:IsA("DepthOfFieldEffect") then
            e.Enabled = false
        end
    end

local table_insert
do -- Globals
    table_insert = table.insert
end
local _gethiddenproperty
local _sethiddenproperty
do -- Implementations
    _gethiddenproperty =
        gethiddenproperty or gethiddenprop or get_hidden_property or get_hidden_prop or getpropvalue or
        function(_Instance, _string, ...)
            local v_boolean_indexSucceeded, v_any_propValue =
                pcall(
                function()
                    return _Instance[_string]
                end
            )
            return v_boolean_indexSucceeded and v_any_propValue
        end
    _sethiddenproperty =
        sethiddenproperty or sethiddenprop or set_hidden_property or set_hidden_prop or setpropvalue or
        function(_Instance, _string, _any, ...)
            local v_boolean_newIndexSucceeded, v_string_error =
                pcall(
                function()
                    _Instance[_string] = _any
                end
            )
            if not v_boolean_newIndexSucceeded then
                local v_number_stackLevel = 2
                error(v_string_error, v_number_stackLevel)
            end
        end
end
local GetService
local GetDescendants
local IsA
do -- Methods
    GetService = game.GetService
    GetDescendants = game.GetDescendants
    IsA = game.IsA
end
local Lighting
local NetworkSettings, RenderSettings, GameSettings
local UserGameSettings
do -- Services
    Lighting = GetService(game, "Lighting")
    NetworkSettings, RenderSettings, GameSettings =
        (function(...)
        local v_Instance_globalSettings = settings(...)
        return GetService(v_Instance_globalSettings, "NetworkSettings"), GetService(
            v_Instance_globalSettings,
            "RenderSettings"
        ), GetService(v_Instance_globalSettings, "GameSettings")
    end)()
    UserGameSettings = GetService(UserSettings(...), "UserGameSettings")
end
local Properties
do -- Locals
    Properties = {
        QualityLevel = {
            RenderSettings,
            Enum.QualityLevel.Level01
        },
        MeshPartDetailLevel = {
            RenderSettings,
            Enum.MeshPartDetailLevel.Level01
        },
        EagerBulkExecution = {
            RenderSettings,
            false
        }, -- Rendering budget limit
        SavedQualityLevel = {
            UserGameSettings,
            Enum.SavedQualitySetting.QualityLevel1
        },
        Technology = {
            Lighting,
            Enum.Technology.Legacy
        },
        EnvironmentDiffuseScale = {
            Lighting,
            0
        },
        EnvironmentSpecularScale = {
            Lighting,
            0
        },
        PhysicsSteppingMethod = {
            workspace,
            Enum.PhysicsSteppingMethod.Default
        },
        SignalBehavior = {
            workspace,
            Enum.SignalBehavior.Deferred
        },
        MeshPartHeadsAndAccessories = {
            workspace,
            Enum.MeshPartHeadsAndAccessories.Enabled
        },
        ClientAnimatorThrottling = {
            workspace,
            Enum.ClientAnimatorThrottlingMode.Enabled
        },
        InterpolationThrottling = {
            workspace,
            Enum.InterpolationThrottlingMode.Enabled
        },
        GlobalShadows = {
            Lighting,
            false
        }, -- Shadows on
        Decoration = {
            workspace.Terrain,
            false
        }, -- Grass on
        WaterTransparency = {
            workspace.Terrain,
            0
        }, -- Transparent water
        IncomingReplicationLag = {
            NetworkSettings,
            -1000
        }, -- lagn't
        HasEverUsedVR = {
            UserGameSettings,
            false
        } -- funni
    }
end
local EnumItem_ModelLevelOfDetail_Disabled
do -- EnumItems
    EnumItem_ModelLevelOfDetail_Disabled = Enum.ModelLevelOfDetail.Disabled
end
do -- Source
    do -- Change Properties
        for v_string_propName, v_table_propData in next, Properties do
            local v_Instance_propHolder = v_table_propData[1]
            local v_any_propValue = v_table_propData[2]
            _sethiddenproperty(v_Instance_propHolder, v_string_propName, v_any_propValue)
        end
    end
    do -- MeshParts with their DoubleSided property
        local v_table_meshParts = (function(...)
            local v_table_meshParts = {}
            for v_number_index, v_Instance_instance in ipairs(GetDescendants(game)) do
                if
                    IsA(v_Instance_instance, "MeshPart") and
                        _gethiddenproperty(v_Instance_instance, "DoubleSided") == true
                 then
                    table_insert(v_table_meshParts, v_Instance_instance)
                end
            end
            return v_table_meshParts
        end)()
        for v_number_index, v_MeshPart_instance in ipairs(v_table_meshParts) do
            _sethiddenproperty(v_MeshPart_instance, "DoubleSided", false)
        end
    end
    do -- Models with their LevelOfDetail property
        local v_table_models =
            (function(...)
            local v_table_models = {}
            for v_number_index, v_Instance_instance in ipairs(GetDescendants(game)) do
                if
                    IsA(v_Instance_instance, "Model") and
                        _gethiddenproperty(v_Instance_instance, "LevelOfDetail") ~= EnumItem_ModelLevelOfDetail_Disabled
                 then
                    table_insert(v_table_models, v_Instance_instance)
                end
            end
            return v_table_models
        end)()
        for v_number_index, v_Model_instance in ipairs(v_table_models) do
            _sethiddenproperty(v_Model_instance, "LevelOfDetail", EnumItem_ModelLevelOfDetail_Disabled)
        end
    end
end
local Zero = NumberRange.new(0)
local function BoostFPS(x)
				for _, v in ipairs(x:GetDescendants()) do
					if v:IsA("BasePart") then
						v.Reflectance, v.CastShadow = 0, false
					end
					if v:IsA("Humanoid") then
						v.CastShadow = false
					end
					if v:IsA("PostEffect") then
						v.Enabled = false
					end
					if v:IsA("ParticleEmitter") or v:IsA("Trail") then
						v.LightTime = Zero
					end
					if v:IsA("Explosion") then
						v.BlastPressure, v.BlastRadius = 1, 1
					end
				end
			end

BoostFPS(workspace)
BoostFPS(game:GetService("Lighting"))