My wife and I watched this at home on DVD from our public library and found it thoroughly enjoyable, even though we are grandparents and far removed from the virtual reality, gaming crowd.
This is a Spielberg movie, and even though this story is unique it has many of the movie-making elements he used in such movies as "E.T.", "Raiders", "Jurassic Park", "A.I." and more recently "The BFG". Imaginative cinematography, interesting action, and a really killer of a sound track. That alone makes it a worthwhile viewing.
There is also a good story going on. It is Columbus, Ohio in 2045, it is somewhat dystopian and many have turned to a virtual reality existence in something called Oasis. It is a form of escape, it allows one to avoid dealing with real world issues.
Upon the death of the creator and owner of Oasis it is announced that the winner of a contest, finding obscure clues in Oasis, would be given Oasis and complete control of it. So the story becomes a contest between a few dedicated gamers and a big corporation using its resources to win the contest.
The key gamer is Texas native Tye Sheridan as 18-yr-old Wade, who in virtual reality goes by Parzival. He is helped by British actress Olivia Cooke as Samantha who goes by Art3mis. His intention are honorable, he realizes that people need to get back to reality, to connect with each other rather than gravitate towards virtual reality.
The movie is really well made, and even though it is long at 2+ hours it never wore out its welcome.