Round Up: Idea Factory Confirms Its Upcoming Nintendo Switch Releases Image: Idea Factory International The publisher Idea Factory International earlier today hosted a special summer event livestream featuring a bunch of different announcements. On the Switch front, it revealed the release dates of three upcoming titles. Here's the full round-up: Mary Skelter Finale - September 30th / October 1st, 2021 The conclusion to the Mary Skelter trilogy will arrive on the Switch in North America at the end of September, and the beginning of October in Europe. This first-person dungeon crawler RPG first launched in Japan last November. A limited-edition version of the game is available now on IFI's Online Store for $104.99 USD.