What the blockbuster is actually good at
Scale is a craft, not a shortcut
The best films in this category are not simply expensive. They are built around a small number of sequences designed to be overwhelming, with everything else arranged to make those sequences land — geography you can follow, stakes you understand in one line, a rhythm that lets you breathe between them.
That is why the great blockbusters hold up on a laptop and the mediocre ones do not. When the spectacle is the only thing carrying the film, shrinking the screen removes the film.
Read a blockbuster by its second act
Almost every film here opens well; openings are what trailers are made of. The difference shows up an hour in, when the plot has to keep moving without a set piece to hide behind. The ones that stay entertaining through that stretch are the ones people still talk about a decade later.
If you are choosing between two, pick the one with the better villain. It is a crude test and it is right far more often than it should be.
The best way to use this list
Ranking by audience score does something useful in this genre specifically: it separates the films that were merely enormous from the ones people actually enjoyed. Marketing budgets do not survive contact with tens of thousands of ratings.
Watch these loud, on the largest screen you have, ideally with someone who has not seen them. Spectacle is one of the few things in cinema that genuinely improves with company.