Tetris is a righteously entertaining movie about the stampede to secure the rights from within the Soviet Union to what would become the world’s bestselling video game. The question you’re going to be asking yourself time and again – especially during the Lada-ZiL chase scene through the streets of Moscow in which our heroes try to elude the hatchet-faced KGB agents – is: ‘How much of this is true?’ And the honest answer is: ‘Not very much, actually.