public static void Main()
GameData gameData = new GameData();
string json = JsonConvert.SerializeObject(gameData);
GameData2 gameData2 = JsonConvert.DeserializeObject<GameData2>(json);
gameData.a = "Yeni Deneme a";
gameData.b = "Yeni Deneme b";
Console.WriteLine(gameData2.a);
Console.WriteLine(gameData2.b);