Freeze

if type(_G.SHUTDOWN_FREEZEPARTS) == "function" then
   _G.SHUTDOWN_FREEZEPARTS()
end

local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local freeze = false
local anchoredParts = {}
local connect
local connect2
local inputconnect

function isCharacter(instance)
   for _, p in pairs(Players:GetPlayers()) do
       if p.Character and typeof(instance) == "Instance" and instance:IsDescendantOf(p.Character) or instance == p.Character then
           return true
       end
   end
   return false
end

function _G.SHUTDOWN_FREEZEPARTS()
   if freeze then
       toggleFreeze()
   end
   if inputconnect then
       inputconnect:Disconnect()
   end
end

function toggleFreeze()
   if not freeze then
       freeze = true
       for _, v in pairs(workspace:GetDescendants()) do
           if v:IsA("BasePart") and not v.Anchored and not isCharacter(v) then
               v.Anchored = true
               anchoredParts[v] = true
           end
       end
       connect = workspace.DescendantAdded:Connect(function(c)
           if c:IsA("BasePart") and not c.Anchored and not isCharacter(c) then
               c.Anchored = true
               anchoredParts[c] = true
           end
           if c:IsA("BasePart") then
               local changedconnection
               changedconnection = c.Changed:Connect(function()
                   if not freeze then
                       changedconnection:Disconnect()
                       return
                   end
                   if c:IsA("BasePart") and not c.Anchored and not isCharacter(c) then
                       c.Anchored = true
                       anchoredParts[c] = true
                   end
               end)
           end
       end)
       connect2 = RunService.Heartbeat:Connect(function()
           for v, _ in pairs(anchoredParts) do
               if v.Anchored == false then
                   v.Anchored = true
               end
           end
       end)
   else
       freeze = false
       if typeof(connect) == "RBXScriptConnection" then
           connect:Disconnect()
       end
       if typeof(connect2) == "RBXScriptConnection" then
           connect2:Disconnect()
       end
       for v, _ in pairs(anchoredParts) do
           v.Anchored = false
       end
   end
end

Players.LocalPlayer.SimulationRadius = math.huge

inputconnect = UserInputService.InputEnded:Connect(function(input, isTyping)
   if input.KeyCode == Enum.KeyCode.F and not isTyping then
       toggleFreeze()
   end
end)