The game will come to PS4, Xbox One and PC in early 2018. Monster Hunter World theorized due to the title that the game might be a spin-off of the series, but this isn’t the case.
Not only Araujo confirmed that the game is "definitely" not a spin-off, but he clarified that it’s part of the main line of Monster Hunter titles. To a fan "assuming" that the series would split between the numbered games and World he advised to "never assume anything."
Araujo also explained that this is "most definitely" a "real" Monster Hunter game, and it’s by the main development team at Capcom Japan. The gameplay isn’t being sacrificed to make it pretty either. Prowler mode won’t be included, but Hunter Mode is "better than ever" according to Araujo, who also mentioned that there won’t be cross-platform gameplay, but it’ll be possible to play offline. While it’s not an open world game, all the maps are "massive and wide open, without any loading screens." Monster Hunter World will release worldwide in early 2018 for PS4, Xbox One and PC.