So many...adolescent views of art. Not here - well, some here - but among the snooty people looking for "that game" that will make games "truly" art. Art isn't some super secret clubhouse you academic snobs. Games can be and often ARE art. I would say they've been art at least since Chrono Trigger. They are a creative medium using visuals, sound, and interaction to communicate with the audience ideas, values, feelings, and in many cases a story. Chrono Trigger is art, all the Bioshocks are art, Xenoblade Chronicles and Xenoblade Chronicles X are art, The Elder Scrolls are art, Team ICO works are art, every 3D Zelda is art, and many, many more are art.
There's plenty that fall into grey areas, like more than half the works of the CoD series due to their lack of anything deeper than the obvious in terms of meaning and communication. But Games being art isn't a question.
And something isn't art by being obtuse, convoluted, melodramatic, "deep" sounding, or niche. It's a work of art when it is an intentional creation birthed of imagination that communicates a distinct message - be that as elaborate as an entire world view in a grand tale (Xenoblade Chronicles) or a feeling (any of numerous "artsy" games) or making a statement of struggles common to man (Last of Us).
These people who say "oh, the Last Guardian is THE game to make games art!" or "The Chinese Room is making games art!" are not advocating for the advancement of games as art but the regression of games as art. And those people are just as backwards and arrogant as the academia who spent decades turning their noses up at fantasy and science fiction, refusing to recognize them as art or literature. It's a pathetic, childish, tree-fort mentality.