It's nothing without it's charm
I do have to admit it was a pretty good remake of the game, although all you did was give it a grey background, changed the first row of characters into flash drawn aliens, and the other sprites either the same or just recolored.
I even noticed the problem with the exit button. It wouldn't let me exit. When I pressed play it let me exit. What was all that about anyway buddy?
I won't say that this will be a one hit success, in fact, I don't know if this can be classed as a Space invader Clone. All I will say is that you need to think about what you are doing, plan it all out before making a game and see how it goes.
3/10 sorry. Keep trying or something.