problem med While loop

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Dart
{
    class Program
    {
        static void Main(string[] args)
        {
            Game My_Game = new Game();
            My_Game.Playgame();

            Console.Write("Press any key to continue . . .");
            Console.ReadKey(true);
        }
    }
}

{
    class Game

    {
        private List<Player> playerlist = new List<Player>();
        private List<int> total_Score = new List<int>();

        public void Playgame()
        {
            int turn1;
            int turn2;
            int turn3;
            

            Console.WriteLine("Welcome to the awesome Dart game !");

            Console.WriteLine("\nThe rules for this game are simple. Each player gets 3 darts to throw per round. \nFor every dart thrown you can get 0-20 points. First one to 301 points wins ! ");
            Console.WriteLine("\nPress Enter key to begin . . .\n");
            Console.ReadKey();

            Console.WriteLine("How many players are you ?");
            int numberofPlayers = Convert.ToInt32(Console.ReadLine());


            for (int i = 0; i < numberofPlayers; i++)
            {
                Console.WriteLine("Enter player name : ");
                playerlist.Add(new Player(Console.ReadLine()));
            }
            int totalScore = 0;

            while (totalScore <= 301)
            {

                foreach (var player in playerlist)
                {
                    Console.WriteLine("Enter player score for {0} on turn one : ", player);
                    turn1 = Convert.ToInt32(Console.ReadLine());
                    Console.WriteLine("Enter player score for {0} on turn two : ", player);
                    turn2 = Convert.ToInt32(Console.ReadLine());
                    Console.WriteLine("Enter player score for {0} on turn three : ", player);
                    turn3 = Convert.ToInt32(Console.ReadLine());
                    player.addTurn(turn1, turn2, turn3);
                    
                    totalScore = turn1 + turn2 + turn3;
                    total_Score.Add(totalScore);
                    totalScore = total_Score.Sum(score => Convert.ToInt32(score));
                    Console.WriteLine("----------------------------------------");
                }
            } 

            foreach (var player in playerlist)
            {
                player.Print_Turns();
            }

        }
    }
}

{
    class Player
    {

        private string PlayerName;
        private List<Turns> playerturns = new List<Turns>();


        public Player(string _playername)
        {
            PlayerName = _playername;
        }

        public void addTurn(int firstTurn, int secondTurn, int thirdTurn)
        {

            playerturns.Add(new Turns(firstTurn, secondTurn, thirdTurn));

        }

        public int total_points()
        {
            int total = 0;
            foreach (var points in playerturns)
            {
                total = total + points.Get_Score();
            }
            return total;
        }

        public void Print_Turns()
        {
            Console.WriteLine("\nPlayerstatistics for {0} : ", PlayerName);
            Console.WriteLine("----------------------------------------");

            foreach (var turn in playerturns)
            {
                Console.WriteLine(turn);
            }
            Console.WriteLine("The total is : {0}", total_points());
        }

        public override string ToString()
        {
            return string.Format(PlayerName);
        }

    }
}

{
    class Turns
    {

        private int turnOne;
        private int turnTwo;
        private int turnThree;

        public Turns(int _turnOne, int _turnTwo, int _turnThree)

        {

            turnOne = _turnOne;
            turnTwo = _turnTwo;
            turnThree = _turnThree;

        }


        public int Get_Score()
        {
            int total;
            total = turnOne + turnTwo + turnThree;
            return total;
        }

        public override string ToString()
        {
            return string.Format("First throw was : {0} points, Second throw was : {1} points , Third throw was : {2} points .", turnOne, turnTwo, turnThree);
        }

    }
}