Modern Clash of Clans is a masterpiece of longevity, but it is vastly different from its origins. Private servers running older versions allow players to experience the game exactly as it was in 2013, 2014, or 2015.
: Operating or playing on a private server directly violates Supercell’s Terms of Service. Supercell owns the intellectual property, including the art, code, and brand names. While the developer rarely targets individual players on private servers, they routinely issue cease-and-desist orders to the creators and hosts of large-scale private networks. Lack of Longevity clash of clans private server old version
Most "old version" private servers focus on removing modern Quality of Life (QoL) updates to restore the original difficulty and mechanics: Legacy Mechanics Modern Clash of Clans is a masterpiece of