Memory Game: Sequence Master

Another Number Sequence Memory Game is similar to Sequence Memory from Novel Games. 
In this Sequence Master Memory game, you will be shown a sequence of numbers or letters. You have to remember this sequence of numbers or letters and later have to reveal them in the order in which you are asked to reveal them. You have to complete it in the given time. Once you click on the wrong number/letter or your time is over, immediately game will be over. 

Let us see how much you can score in the Sequence Master, Memory Game?