One of Sony's bets for this year has been Rise of the Ronin , a title distributed by PlayStation and developed by Team Ninja that takes us to feudal Japan in the 19th century. This game came out on March 22 and, almost a month after its launch, it is time to talk about how Koei Tecmo's open-world RPG sales have been , which has published a report aimed at investors and gives us a slight clue