Key information
The 2026 Steam October Next Fest began on October 20, featuring eight upcoming adult titles from the Taiwanese publisher Mango Party. Players can now access demos for several highly anticipated games, including "Monster Princess: Assembly," "The Thing About Being Kept by a Fox Girl," and "Office Peeping."
Gameplay mechanics vary significantly across the lineup. "Monster Princess: Assembly" is a Roguelike action survival game, while "The Thing About Being Kept by a Fox Girl" utilizes a time management and interactive cultivation system. Meanwhile, "Office Peeping" tasks players with uncovering secrets through dialogue and keyword analysis to manipulate female colleagues.
Several titles feature distinct narrative themes. "Monster Princess: Assembly" will launch as an all-ages title with a free R18 DLC. Other releases include the corruption-focused RPG "Eika Todo's Tale of Submission," the gambling-themed "Under the Sea - Legend of the Gambling Saint DX," and the action-adventure title "Belluna and Lipu's Futa Adventure."
These demos are available for a limited time during the festival, providing a preview of titles scheduled for release within the current year. The selection also includes additional projects such as a light puzzle game featuring a cross-dressing merchant and an action RPG set in the "Last Monarch" universe.
