public void startGame(int noPlayers,int gameLevel) throws GameException{         
        if (noPlayers != 1  &&  noPlayers != 2) {
            throw new GameException(ErrorType.ERROR3.getMessage());
        }
        
        if (noPlayers == 1) {module = 6;     
            if(gameLevel==1){
                System.out.println(
      "\n\t______________________________________________________________________\n"
                     
      + "\n \"One Player Game - Easy"
      +"\n\t______________________________________________________________________\n");
                this.GameEasy();
               
            }
            else if(gameLevel==2){
                 System.out.println(" Game One PLayer Level 2");
                this.GameMedium();
               
            }
            else if (gameLevel==3){
                System.out.println(" Game One PLayer Level 3");
                this.GameHard();
               
            }    
        }
        
    if (noPlayers ==2) {
        throw new GameException(ErrorType.ERROR12.getMessage());          
        }
    }