string json = @"['Starcraft','Halo','Legend of Zelda']";

List<string> videogames = JsonConvert.DeserializeObject<List<string>>(json);

Console.WriteLine(string.Join(", ", videogames));

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Script.Serialization;
namespace ConsoleApplication10
{
    class Program
    {
        static void Main(string[] args)
        {
            JavaScriptSerializer js = new JavaScriptSerializer();

            string str = " {\"BBB\":[[{\"Name\":\"李梦\"}],[{\"Name\":\"张涵韵\"}],[{\"Name\":\"董巧巧\"}]]}";

            A a = js.Deserialize<A>(str);

            Console.WriteLine(a);

            Console.WriteLine(js.Serialize(a));
        }
    }

    public class A
    {
        public List<List<B>> BBB;
    }
    public class B
    {
        public string Name;
    }
}