Grand Theft Auto V is the most profitable video game ever, according to Market Watch.

First released in 2013, the video game has sold 90 million units, bringing in an estimated $6 billion in revenue — more than any other movie, book, or video game in history.

For reference, Market Watch state that two of the highest-grossing films of all time, Star Wars and Gone with the Wind, raked in 3 billion in the theaters (with the figure adjusted for inflation). Even when you add in the site's estimation of $1 billion in DVD and streaming sales for both films, GTA V still comes out on top.

In the gaming world, Nintendo's Mario franchise has sold more units across all of its games, but no single game has out-earned GTA V.

Do you play GTA V? Let us know your thoughts on its success in the comment section below.

In other gaming news, ‘Spider-Man’ on PS4 is launching in September.

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