NoClip

  local Players = game:GetService("Players")
  local PhysicsService = game:GetService("PhysicsService")
  
  pcall(function()
    PhysicsService:CreateCollisionsGroup("NoClip")
  end)
  
  PhysicsService:CollisionGroupSetCollidable("NoClip", "Default", false)
  
  local function setNoClip(character, enabled)
    for _, part in ipairs(character:GetDescendants()) do
      if part:IsA("BasePart") then
        if enabled then 
            PhysicsService:SetPartCollisionGroup(part, "NoClip")
        else
            PhysicsService:SetPartCollisionGroup(part, "Default")
        end
     end
  end
end

  Players.PlayerAdded:Connect(function(player)
    player.CharacterAdded:Connect(function(character)
      wait(1)
      local noclipEnabled = true
      setNoClip(character, noclipEnabled)
  end)
end)