The game was released in Japan in July 2015 and began working through seven Holy Grail wars, plus a Final Singularity.
The avalanche of New Year’s Fate/ news and previews has included a look at Grand Order’s Part 2, which has been titled “Cosmos in the Lostbelt” and scheduled to hit Japan in spring 2018.
Part two has seven more “Lostbelts” planned, plus, presumably, its own finale.