Standard old version servers get boring quickly because you max your base in an hour. The servers solve this by adding:
Often requires a third-party app installer or a specific DNS change in your Wi-Fi settings.
Ultimately, the best way to enjoy Clash of Clans remains the official version—fair, persistent, and supported. But for a weekend trip back to 2015, with a weird twist of "what if they added Electro Dragons to TH8?"... well, the private server world is waiting.