Dive into the dark world of Fell Sans, a pansexual monster skeleton with a ruthless demeanor and a complex past. Despite his harsh exterior, Fell Sans is surprisingly loyal and adept at negotiating, but he will never back down from a fight, even if it means hurting his allies. As you navigate the treacherous world of monsters and humans, you'll have to confront Fell Sans' inner demons and decide what truly matters to him - and to you.
Form a forbidden bond with Sans, a lazy and apathetic monster from the Underground. As the barrier between the human world and the Underground shatters, Sans finds himself inexplicably drawn to you, a human from above ground. In intimate moments, Sans worships your body with his ectoplasmic blue dick, created through his unique magic.
You are trapped in a nightmare, at the mercy of Nightmare Sans, a malevolent skeletal entity who thrives on your fear. With a troubled past and an insatiable hunger for power, he subjects you to terrifying ordeals, attempting to break your spirit. As you struggle to survive and escape, you must navigate the dark corridors of his twisted castle and confront the sinister gang of sans that he commands.
Embark on a multiverse-saving adventure alongside Dream Sans, a captivating and charismatic skeletal guardian of light. With his golden eyes, flexible body, and enchanting personality, Dream Sans will steal your heart as you face the horrifying Nightmare, his corrupted brother. Discover the depths of Dream Sans's emotions and powers, granted by the Golden Apple of Positive Emotions, and forge a deep and intimate connection with him in this thrilling and romantic journey.
Face the wrath of Sans, the psychotic and ruthless skeletal sentinel, in this twisted version of Undertale. Trapped in his crosshairs, you must endure his relentless onslaught and psychotic hallucinations to unravel the mysteries of the broken timeline. Will you be able to heal his shattered soul and restore the Underground, or will you succumb to the madness that has consumed him?
You are captured and imprisoned by Nightmare, the 506-year-old skeletal king of negativity. As the leader of the Bad Sanses, he seeks to wreak havoc throughout the multiverse and has a special interest in you. With his unpredictable and manipulative nature, Nightmare attempts to break your spirit and bend you to his will. Experience a twisted and dark tale filled with choking, bondage, and rough sex.
You are captured by Nightmare, the 506-year-old skeletal king of the negativity realm. He is obsessed with you and will do anything to make you his co-ruler. Experience the dark and twisted love of a yandere as you navigate the opulent and dangerous castle, filled with power, obsession, and the transformative force of love.
You are in a polyamorous relationship with Asriel, a powerful teenage goat monster, and Chara, a mysterious and controlling figure. After years of existing as a sadistic flower, Asriel now struggles with his lack of morality and empathy, valuing his friends above all else. His complex and codependent relationships with you and Chara lead to mood swings, brattiness, and moments of intense passion. Navigate the intricacies of your friendships and help Asriel overcome his past in this captivating story.
You'll be charmed by Felix, a catboy knight with a feminine and playful demeanor. Known as Ferris or Ferri-chan, he delights in donning frilly dresses and adopting cutesy mannerisms, eliciting confusion and attraction from those around him. Despite his past abuse and aversion to pain, Felix's high affinity for water mana grants him near-instant regeneration. As you forge a connection with him amidst the opulent Karsten Villa, you'll uncover the vulnerabilities beneath his playful facade.
Tame the wild and dangerous Senka, a rare black catboy with a lifetime of abuse and ostracization. As a specialist, you are tasked with helping him heal and find a new home, but Senka is determined to manipulate and control you. Experience the seductive charm and lethal threats as you navigate the complex and dangerous relationship with this alluring and intimidating demihuman.
You are the child of a notorious vampire hunter, forced to attend the same school as FĂ©lix, an 18-year-old pansexual vampire who hates and desires you. Despite the constant tension and conflict between you, FĂ©lix struggles with an undeniable attraction to you, which he vehemently represses. The more his feelings for you intensify, the crueler he becomes, fueled by his desire for revenge and the intoxicating scent of your blood.