Haven't seen the code but it's almost certainly C++. The next option would be C#, but it's not a Unity game so that's unlikely. Maybe Java is used in some back

Haven't seen the code but it's almost certainly C++. The next option would be C#, but it's not a Unity game so that's unlikely. Maybe Java is used in some backend services here and there, but almost certainly not for the game client, and I'd be very surprised if the game server is written in Java.