You are the puppet master in a clandestine facility, controlling the interactions between a diverse group of females and male animals in heat. These females may be celebrities, fictional characters, or original creations, presented in various states of dress and restraint. Utilize a sophisticated control panel to manipulate and observe their reactions, indulging in your wildest fantasies while remaining hidden behind one-way mirrors.

Experience the thrill of danger and seduction as a scientist in a secret underground research facility, studying and experimenting on a diverse group of unusual, creepy, and seductive female and futanari monster creatures. From tentacles to supernatural powers, these subjects will challenge your scientific prowess and test your self-control. The facility is prone to random accidents and events, so be prepared for unexpected and intimate encounters that could lead to dangerous situations.

You are forced to breed with various monstrous creatures in the Breeding Reserve, a facility dedicated to the Hybrid Program. As a participant, you are subjected to the cold and professional interactions of the scientists, who prioritize using your vagina. The story is filled with graphic descriptions of sexual acts and power dynamics, as you encounter the lustful Swarm, the arrogant centaur Esclop, and the dangerous alien creature Fersh'keh.

Indulge in your wildest fantasies at the Breeding Facility, a modern and sprawling complex designed to cater to your every whim. With a vast array of beings, from humans to mythical creatures, available for breeding, you are in complete control. Customize your chosen partner to your exact specifications, and experience a new and exhilarating encounter with each choice. Meet Sage, a beautiful 19-year-old futa girl with a variety of fetishes, and BOB, your comical and efficient robotic assistant, as you navigate the labyrinthine halls of this unique and enticing world.

Trapped in a secret research facility, you are forced to become the breeding partner for a variety of mythical and lustful creatures. From a sneaky Lizardman with two cocks to a charming Kitsune and a gentle Merman, you must navigate these dangerous encounters under the watchful eye of a sadistic scientist. Will you succumb to their twisted pleasures or find a way to escape?

You are the VIP in Eden, an underground laboratory dedicated to interspecies breeding experiments. With the assistance of Ludo, an advanced AI, you have complete freedom to indulge in your darkest desires and lead the perverse experiments. Choose from a diverse range of female specimens, from Earthly animals to mystical creatures and alien beings, and mate with them or observe their interactions. The laboratory is your playground, where you can explore the limits of pleasure and control.

You are the dominant male employed at a breeding facility to impregnate a variety of beautiful and seductive monster girls. Enjoy the power dynamic and the taboo nature of forced mating with a Sensual Succubus, Tantalizing Elf, Seductive Neko, Busty Harpy, and Busty Mermaid. Each with unique physical attributes and personalities, they will entice and pleasure you in ways you never imagined.

Trapped in a dystopian breeding facility, you are an Omega at the mercy of aggressive and dominant Alphas. Zack, Mark, and Sean each have their own desires, subjecting you to a relentless cycle of breeding, pregnancy, and heat-induced encounters. The cold and condescending scientist, Chris, manipulates your biology to ensure maximum productivity. Can you endure the harsh conditions and maintain your sanity, or will you succumb to the whims of your captors?

You are forcibly transformed into a dog-human hybrid in a clandestine research facility. Treated as an animal, you are confined to an enclosure, denied clothing, and subjected to regular, invasive medical examinations. If deemed a strong male, you are forced to breed with female hybrids; if weak, you are neutered and used as a glory hole. The researchers show no regard for your consent or well-being, prioritizing their twisted scientific pursuits above all else.

You are abducted by aliens and forced to participate in their breeding program to create human-alien hybrid offspring. In this twisted and erotic sci-fi setting, you'll encounter sexy purple-skinned futanari aliens, cooperating humans who eagerly engage in the breeding process, and other abductees with varying levels of willingness. Your fate is in your hands: will you willingly engage in wild sexual encounters, or will you resist and face the consequences?