12 Movies You Didn't Realise Were Just Ripping Off Video Games

7. Children Of Men = Half-Life 2

The Video Game: 2004's Half-Life 2 is set in a dystopian alternate Earth, where the world is run by a nefarious army known as the Combine. The cities are ruled with an iron fist, though there is a small resistance underbelly which, of course, protagonist Gordon Freeman becomes a part of. The Movie: Alfonso Cuaron's masterful 2006 sci-fi film feels like a spiritual adaptation of Half-Life 2 in many ways. The movie is set in a distant future in which rampant infertility has left society close to ruin, with the UK being commanded by an extremely oppressive government. A scene in which prisoners can be viewed behind cages, all while sinister-looking guards maintain order, is immediately reminiscent of the opening scene from Valve's game, which is pretty much the same thing. While there are no aliens in Children Of Men and it's entirely possible that Gabe Newell read the 1992 novel on which it's based while planning the game, the art style is staggeringly similar and evokes a mood which binds the two together spiritually.