private void doAction(char choice) {

        switch (choice) {
            case 'G':
                this.gamePlayHelpView();
                break;
            case 'Z':
                this.puzzleHelpView();
                break;
            case 'T':
                this.TreasureHelpView();
                break;
            case 'V':
                this.villainsView();
                break;
            case 'P':
                this.powerCrystalHelpView();
                break;
            case 'C':
                this.clueHelpView();
                break;
            case 'K':
                this.keyHelpView();
                break;
            case 'W':
                this.winGameHelpView();
                break;
            case 'E':
                return;
            default:
                System.out.println("\n*** Invalid selection *** Try again");
                break;
        }
    }