public void start_lvl_4()
    {
        if (lvl_now < 4 && !ThisDemoVersion)
        {
            text_center.text_next = "LVL IV";
            lvl_now           = 4;
            volume_music_need = 0;
            music_need        = 4;

            TimeToEnd     = (2 * 60) + 30;
            TimeToEnd_max = TimeToEnd;

            //player.ScoreALL = player.ScoreALL * 1.5f;
            player.ScorePlusCheat(player.ScoreALL * 0.5f);
            noiseCtrl.SetTypeNoise(2);
            player.SetFullCharge();

            OverTime = false;

            achievement.lvl_3_complite();
        }
    }