public static class game_manager
{
    public enum State
    {
        Play,
        Building,
        Pause,
    }

    public static State CurrentState { get; set; } = State.Play;
    public static int Kash { get; set; } = 0;
    public static int Approval { get; set; } = 0;
    public static int Megaton { get; set; } = 0;
}