Metamorpheus: Page Turner

"Metamorpheus: Page Turner" is an 18+ erotic Twine game focusing on transformation and tentacle sex, inspired by cosmic horror. Players discover the eldritch beings in a purchased book are real, leading to Master/Servant elements, body horror, and 4 endings with tentacle sex and transformation. The game is free, with a donation option, and offers 8.6k words of second-person perspective fiction, with gender-neutral characters.