string? input;

Console.Clear();
ColoredConsole.WriteLine("------------------------------------------------------------------", ConsoleColor.Cyan);
ColoredConsole.WriteLine("Welcome True Programmer, to the final battle for the realms of C#.", ConsoleColor.Cyan);
Thread.Sleep(1000);
ColoredConsole.WriteLine("\nThis will be the final battle against the Uncoded One..."
        + "\nAre you ready?", ConsoleColor.Cyan);
ColoredConsole.WriteLine("--------------------------------------------------------"
        + "----------", ConsoleColor.Cyan);
Console.ReadLine();

while (true)
{
    try
    {
        Console.Clear();
        ColoredConsole.WriteLine("Game mode:", ConsoleColor.Green);
        Console.WriteLine("\n1. Player vs Computer\n2. Player vs Player\n3. Computer vs Computer");
        ColoredConsole.WriteLine("-----------------------", ConsoleColor.Cyan);
        input = ColoredConsole.Prompt("Enter a game mode");
        if (input == "1")
        {
            GameState.Instance.herosAIControl = false;
            GameState.Instance.monstersAIControl = true;
            break;
        }
        if (input == "2")
        {
            GameState.Instance.herosAIControl = false;
            GameState.Instance.monstersAIControl = false;
            break;
        }
        if (input == "3")
        {
            GameState.Instance.herosAIControl = true;
            GameState.Instance.monstersAIControl = true;
            break;
        }
        else
        {
            ColoredConsole.WriteLine("Sorry. That isn't a valid input...", ConsoleColor.Red);
            Thread.Sleep(1000);
            continue;
        }

    }
    catch (FormatException)
    {
        ColoredConsole.WriteLine("Sorry. That isn't a valid input...", ConsoleColor.Red);
        Thread.Sleep(1000);
        continue;
    }
}

Player player = new Player();
GameState.Instance.heros.Add(player);

Console.Clear();
Console.Write("Press Enter to to begin your battle to save True Programming...");
Console.ReadLine();

GameState.Instance.Run();