Just over +1.5 million in 11 months. https://www.vgchartz.com/article/459439/rumor-horizon-zero-dawn-has-sold-33m-on-steam-god-of-war-sold-25m-and-more/ ...

I should have added to why GoW:GoS sold much less. Piracy was huge at the time it released. It released the same year as GoW3 and was seen as vastly inferior (which is unfair to compare a PSP games to ...