Not yet. Horde Mode remains exclusive to Steam and PS5 as of this writing. However, dataminers found strings in this NSP update referencing "WaveSurvival," suggesting it may arrive in a future patch.
Yes. For PC gamers running the Switch version via emulation, the is a game-changer. THE HOUSE OF THE DEAD- Remake Switch NSP UPDATE
Performance patches have addressed dips during intense scenes, especially in "Horde Mode," where the Switch hardware is pushed to its limits. Not yet