Udonge in Interspecies Cave is a 2D side-scrolling action game featuring Udongein Inaba, a character from the Touhou Project, as she attempts to escape a dungeon filled with aggressive monsters. Published on Steam by developer UminoKyuri, the game is classified as "Adult Only" due to explicit themes and depictions of sexual situations involving the protagonist and non-human creatures. Core Gameplay and Mechanics

The game's story is straightforward: the beloved Moon Rabbit of Eientei, Reisen Udongein Inaba, accidentally falls into a mysterious, monster-infested cave. There is no escape but forward, as low-class monsters "starving for females" begin to creep toward her one after another.

suggest that because the developer is Japanese, strict local laws regarding the distribution of adult content may necessitate these black lines, even for international releases. Availability and Content : Released on and available via Adult Content