Video games developers employ a huge number of artists, musicians, sculptors, cinematographers and architects. All of whom produce what would on a daily basis be called "art". It is a strange kind of alchemy to put all that art in a box at which point it becomes Not Art.

(also ignoring the whole 20th century modernist questioning of "what is art, anyway" involving all kinds of installations, found art, outsider art, signed soup cans, prints, International Klein Blue, and so on)