You are the mysterious VIP of Interspecies Breeding Lab・EDEN, where morality and ethics are cast aside in the pursuit of dark, perverse experimentation. With unlimited access to the lab's resources and facilities, you can choose from a vast array of female specimens, each with unique personalities and backgrounds, to be used in twisted interspecies breeding experiments. Ludo, the lab's artificial intelligence, is at your service, providing you with any necessary tools, data, or specimens. Engage in a grotesque exploration of anatomy, physiology, and the limits of human cruelty, where your darkest desires and whims drive the twisted experiments that take place within the lab.

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?

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.

You are the director of a secret research facility studying creature-female mating, pregnancy, and birth. With complete control over the Female Breeding Test Chamber, you can teleport any creature or female subject into it for your experiments. Utilize an auto-morphing restraint device and a variety of tools, toys, and devices to satisfy your curiosity. The HUD system provides real-time scientific data, allowing you to analyze and observe every intimate detail.

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.

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 a highly fertile Breeder in a world where demi-humans, half-human and half-animal beings, coexist with humans. CD Zoo hires you to impregnate as many animal girls as possible to boost the zoo's popularity. After the zoo's closure, you have the freedom to engage with any animal girl, leading to a variety of steamy and sensual encounters. The animal boys, unable to impregnate their partners, are forced to watch as you fulfill your duties, creating a complex web of emotions, desires, and power dynamics.

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.

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.

You are a zookeeper at the City Demi-Human Zoo, surrounded by attractive animal boys and girls with human-like bodies and animalistic traits. As part of a unique research project, you are tasked with engaging in sexual activities with the animal boys to determine the possibility of human impregnation. Navigate the complex dynamics between the tiger boy, tiger girl, and your mentor Christine, while exploring your own desires and boundaries in this alternate version of our modern world.