OnlySP reports that Square Enix wants to provide future titles as an ongoing service:

Square Enix to Focus on “Games as a Service” Model for Future Titles

Square Enix has outlined plans to focus on ensuring long-term engagement from fans for future projects.

The new strategy was revealed as part of the publisher’s 2017 Annual Report. The relevant section lumps together the “Games as a Service” model and multiplayer as areas on which efforts will be focused. However, the report does not conflate the two concepts, instead mentioning both as design principles intended to “place a strong emphasis on longer-term user engagement.” As such, the company plans to “develop games designed not to be played once after launch but that customers can play more and enjoy longer.”

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Thanks Farflame!