Sci-Fi - 10 (Sort by: Popularity)
Science fiction
Terminus Reach: Sentinel
Set in the distant future, the game follows Garrett, a former contract killer with unparalleled experience and special abilities beyond those of ordinary mortals. Due to his exceptional skills, Garrett has been promoted to a critical new role where he will determine the future of Sentinel Station. Navigate through the plot, answering questions that shape the story’s outcome - remember, your choices matter. As you guide Garrett, you’ll face complex decisions and strategic challenges that influence the fate of the station and its inhabitants. Engage in this thrilling adventure where every move can alter the course of history.
63.8K 70% 13
Recommended 
Ren'Py
Lust Survivor [v 0.11.2]
Stranded on a deserted planet after a catastrophic crash, seven young ladies must unite to survive until rescue arrives. These young women, who were just students from various fields on their way to a secluded research site, are now facing challenges they never imagined. You, as their leader, will take control of all seven women, making crucial decisions to guide them through this ordeal. However, there's a catch: not all of them will have the strength of will to make the correct choices! Can you help these girls get over their differences and figure out a way to escape this hostile planet? It's their lives - and your strategy - that depend on it!
63K 63% 3
Shemales
Ren'Py
Aeon’s Echo: The Game (Sp0ns0red)
Dive into the enchanting world of Aeons Echo! As the protagonist, you will interact, bond, and evolve with various captivating goddesses. Enjoy an immersive role-playing adventure in a visually stunning universe. Play Free now!
5.2M 100%![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her.jpg)
![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her-2.jpg)
![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her-3.jpg)
![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her-4.jpg)
![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her-5.jpg)
![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her-6.jpg)
![Shards of Her [v 0.3.6]](http://fgn.cdn.serverable.com/common/flashes/p/s/shards_of_her-7.jpg)
Shards of Her [v 0.3.6]
This story is about a demigod who lost his beloved girlfriend. It broke his heart, and no one could make him happy again. Suddenly, Hemera visits the demigod, and sends him back to earth. On earth, the main character will find himself in the epicenter of a war between humans and gods. He will also resume the search for his beloved and, perhaps, learn something about her fate.
61.6K 68% 16Ren'Py
My Future Wife
When you were 18, in your final year of high school, something crazy happened. You discovered that you could travel 30 seconds into the future! You had no idea how or why it happened - it just started one day while you were masturbating. It kept happening every time you stared at something for too long. At that time, you were really interested in watching boobs. One day, a girl in your class asked if she would become a famous singer. You tried to act cool and said yes, but then something strange happened - you saw yourself in the future, seven years later... and she was your wife!
58.2K 51% 9Ren'Py
It's Just a Game [v 0.4.1]
Step into an intense erotic sci-fi thriller where reality and fantasy collide. In the near future, VR simulation games are a popular form of entertainment. The protagonist, a tech genius, discovers a way to turn these solo games into multiplayer ones. However, this breakthrough leads him into conflict with the powerful company behind the technology. Now, with access to the secret fantasies of those closest to him, the protagonist faces new possibilities and moral dilemmas. Will you keep their secrets or use them for personal gain? The choice is in your hands as you navigate a world where technology and desire all mix up together.
57.2K 70% 4Ren'Py
Astreon
In 2032, humanity discovers a revolutionary material with self-repairing properties, capable of healing the disabled, enhancing abilities, and extending life. Fearing its potential, the scientists behind it destroy their research and disappear. But their work falls into the hands of a terrorist group called "Masquerade," triggering a global crisis. You, a former soldier, took part in the mission to erase this technology. Haunted by guilt, you retreat to a quiet life with your wife and child - until your wife vanishes on a business trip to a secret research facility. Years later, your son arrives, pleading for your help. The past isn’t buried after all, and the fight for the truth is about to begin.
56.8K 70% 10Ren'Py
Sinful Vampires
Dive into a dark future in this awesome visual novel! You're a brilliant female scientist with a passion for genetic engineering, but your life takes a wild turn when you meet the seductive vampire Jill. She transforms you into a vampire and you start a new life full of mystery, power, and danger. You'll meet a diverse cast of characters - from enigmatic vampires and mutants to humans. Every choice you make will shape your story, leading you to dangerous situations, tender moments, and even forbidden sex desires. Can you conquer your new life or will it destroy you? The choice is yours to make!
56K 82% 9Ren'Py
Para Ark 2
Your adventure continues in a wild sci-fi world full of danger, mystery, and endless possibilities. As the escort, you'll guide a mysterious girl through dangerous landscapes, using all the resources and opportunities to make her stronger and more powerful. But that's just the start... She can mate with aliens and breed unique monster girls. Every offspring is unique, so get creative and build a powerful army of exotic creatures. With themes of breeding, pregnancy, aliens and monster girls, this game lets you shape your own twisted sci-fi adventure. How far will you push the limits of creation? Let your imagination run wild!
54.8K 80% 13Shemales
RPG Maker
The Last Star Walker
In this epic adventure, there are two main worlds – Nava, where magic is just as natural as breathing, and Terra, the futuristic world driven by advanced technology. These two worlds are threatened by power-hungry elites, and the lines between them are starting to blur. As the main character, you find yourself in a crucial moment where Nava and Terra could either collide or unite. Will you side with the Extinctionists who want to make one world dominate the other, or with the Expansionists who want magic and technology to merge? Or will you create your own path between duty, love and revenge? Your choices will determine the fate of both worlds.
50.8K 67% 6Shemales
Ren'Py
BOOBIES
Get ready for an epic journey through the multiverse with this hilarious and naughty adventure! You'll play as a guy with the superpower to rescue famous girls from other dimensions and bring them back to your base, called Zone Zero. This game is full of parodies of iconic girls' characters and wild, steamy storylines. Your goal is to create a safe haven for these girls, win their hearts, and take care of them as they adjust to their new lives. With your help, they might even become part of your harem! Fun, chaotic, and naughty moments await in this crazy multiverse adventure.
50.5K 75% 6Ren'Py
Cross Realms
On your first day of college, you and some friends get sucked into a weird vortex. When you come to, you're not on Earth anymore. You're in some other world, and it's full of magic and power. There are nine different realms in this place, each with its own set of rules. Some of them are ruled by humans, some by demons, some by gods, and some by weird creatures. Each realm has a spring that gives it its power, and those springs are what cause all the fights and battles. Will you be able to rise to the challenge and become a hero, or will you just get lost in the chaos? Only time will tell.
49.8K 86% 13Ren'Py
Star Harem
The main character goes on a space journey to create a harem for himself. He is just at the beginning of his journey, so he checks and evaluates each girl with special care. He needs only the best and most trained professionals, because many adventures await him along the way. Your task is to discover various worlds and cope with all the difficulties that await the characters.
48.4K 65% 12Ren'Py
Projekt Moon
In this crazy sci-fi game, based on the Mass Effect game, you find yourself in a crazy situation. You play as a normal guy with a boring life, but then some aliens abduct you! After they do some DNA stuff, you become a futanari, and that opens up two paths for you. Will you go with this new life and try to make the world better, like with all those cat girls and monster girls around? Or will you get angry and want revenge for being changed against your will? The choice is up to you - make a smart decision!
48.1K 65% 2Shemales
Ren'Py
The Pilgrimage Chapter 2 [v 0.3]
Embark on a wild new journey in this hilarious take on the beloved Mass Effect universe! Tali is off on another crazy adventure as she escapes a mysterious, abandoned ship and embarks on a journey through outer space. Along the way, she meets some unexpected allies who bring chaos and hot sex. Travel to uncharted galaxies, encounter new dangers, and discover secrets hidden amongst the stars. Will Tali find her purpose or will the harshness of outer space push her to the edge? With action-packed moments, hard fuck, and unexpected twists, this journey is just beginning. Get ready for an interstellar adventure like no other!
47.9K 82% 9Recommended Shemales
Ren'Py
Over the Moon
In "Over the Moon", the story picks up two years after "A Moment of Bliss". It's set in a future where people can upload their memories into androids, and virtual augmented reality glasses (VARGs) allow them to interact with each other remotely. You're thrown into a new chapter in life when your daughter, Moon, becomes a star, but she hates you! You have to write songs for her TV show, "Madds Medusa", and you have to spend a whole week with her. Will you be able to fix your relationship, or will it get worse? Get ready for a wild ride of emotions as we explore themes like family, fame and redemption in this world where technology is blurring the lines between reality and memories.
45.2K 72% 6Ren'Py
Lust Goddess: The Game (Sp0ns0red)
Assemble your unique squad of sexy mercenary girls. Earn their love and trust, and they will show you their gratitude by bringing your wildest and lewdest fantasies to life! Play Free Now!
5.2M 100%
Adventures of a Rookie Superhero
As a newbie superhero, Nightwraith is on a mission to take down the notorious Red Sirens gang, which is causing chaos everywhere. This is no easy task, balancing crime-fighting and romance while trying to live up to her own heroic ideals. Along the way, she'll meet allies and adversaries, as well as a colorful cast of potential love interests. She'll uncover the sinister plans of the Red Sirens and face action-packed battles and thrilling investigations. Will she be able to rise to the challenge and become the hero the city needs? The fate of the city is in her hands.
45.1K 69% 14Shemales
Ren'Py
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita.jpg)
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita-2.jpg)
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita-3.jpg)
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita-4.jpg)
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita-5.jpg)
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita-6.jpg)
![Stellar Incognita [v 1.0.0]](http://fgn.cdn.serverable.com/common/flashes/p/s/stellar_incognita-7.jpg)
Stellar Incognita [v 1.0.0]
In this episode, you are transported forward to the distant year 3922. Humanity has advanced in technology and can now do various unimaginable things. Using our high tech, we can now travel around the galaxy and see what's beyond space. We can explore other milky ways and test out their planets. You will be playing as an artificial clone called Sagacious-6. You are quite smart and your artificial intelligence is next level. To top it off, you are quite self aware and thirst for more knowledge. So you start research forbidden technologies so that you can manipulate the minds of other clones to do whatever you want including having sex with you.
44.9K 64% 1Ren'Py
Melatonin Magiks Ch.4
This hentai series comes with several other chapters, so before you start playing this game, it’s best to first complete all the previous parts. In this eroge, you take on the role of the main character who wakes up after a long sleep and has no idea what's going on. However, there are a lot of interesting characters around you including a neko cat girl, a robot fellow, and a childhood friend that enjoys fighting. Much like any other isekai story, you will need to familiarize yourself with this new world and go on an epic adventure with your friends. There will also be tons of sex scenes featuring tekoki, sumata, and paizuri to experience, so play on and follow the plot to find out what this mysterious place has in store for you!
43.5K 69% 2Ren'Py
Give Me a Sun [v 7.0]
This game has some steamy fuck sessions. It majorly focuses on lesbian relationships in a distant alternative future where sexy babes rule the universe. Our main character returns home after years of absence in search of answers. She wants to find out what happened to her missing brother so she decides to investigate personally. The only way is to start at the beginning and try to understand the chain of events. As she figures it out, she can have some fun with some sexy babes. Do everything it takes to find out the whole truth even if it means fucking some shady babes.
42.3K 62% 9Ren'Py
Into the Monster Girl Hole
Tired of the boring routine? Everyday is the same, work, rest, and repeat. But not anymore! Your life is about to take a wild turn. You've been offered a once-in-a-lifetime opportunity to explore a world like nothing you've ever seen before. This magical place is ruled by these monster girls, who live in a world that depends on something you can only provide - your sperm. There are no other men around, so the monster girls are excited to meet you. Every encounter with them is an adventure. Will you dive into this new life and satisfy their unique desires?
41.2K 63% 8Ren'Py
Femdom Invasion [v 0.9]
You find yourself in a tower with 70 floors, ruled by the Presidentess. She is a strong and enigmatic woman, but her true nature remains hidden. With her special powers, she can control minds, and she commands powerful weapons and robots. Her ultimate goal is to make women the strongest force in the world, and many people support her cause. To survive in the tower, you must work for those who align with the Presidentess. The direction of the story is entirely up to you. Will you rise to power and become strong, or will you lose yourself along the way? Your choices will decide your fate!
38.9K 54% 3RPG Maker
2040
In the year 2040, the world as we knew it is gone. Climate change and endless wars have left the 'Old World' in ruins, and humans now survive in isolated floating cities known as Arcologies, each with its own extreme lifestyle. You play as a formidable tough criminal who has risen to become the undisputed ruler of one of these cities. Using your cunning mind and ruthless tactics, you have secured your power through manipulation, control, and seduction. Your reign and the future of your city are in your hands. Navigate the treacherous landscape of this dystopian world and maintain your dominance in a challenging new era.
35.1K 61% 6Ren'Py
Hunter: Space Pirates
You follow the story of the main protagonist whose life is filled with mystery, tragedy, and new beginnings. At just 3 years old, he was separated from his mother under mysterious circumstances and taken in by a kind couple grieving the loss of their own child. Tragedy struck again when a bear killed his foster parents. As he grew up, he moved into a new home with four incredible women. Each of them played a significant role in shaping who he became, how he understood relationships, and what he wanted out of life. It's a touching tale about discovering family, finding love, and navigating the complexities of human relationships.
34.8K 74% 3Ren'Py
Hikari: First Interlude
Step on board the MFV Aquilla, a cargo ferry that's the last of its kind drifting through space. It's a dangerous, intriguing vessel with captivating girls on board. You'll meet three unique characters: Sasayaki, the rogue princess with a mysterious agenda, Tsuki, the undead servant that needs to feed on your energy to survive, and Hikari, whose past is a mystery even to herself. The captain of the Aquilla is ruthless, treating everyone on board like property. Your new friends are no exception, and they're in danger of being taken by his greed. Every choice you make can change the outcome of this sci-fi adventure!
32.4K 65% 1Ren'Py
Rebirth: All Episodes
In this game, all the chapters converge to create an immersive experience that will transport you into a realm of intrigue and decision-making. You assume the role of a guy who's living an ordinary life, but everything transforms when a mysterious sexy woman comes into his life. She totally turns his world upside down and sets him on a journey filled with surprises and new opportunities. As you navigate through the game, your choices determine the course of the narrative, leading to various endings, including romance and adventure. Explore multiple paths and see where your journey takes you in this exciting game!
31.4K 69% 11Ren'Py
Haremence
You play as a scientist who, together with a colleague, accidentally creates a groundbreaking device capable of bending human will to your desires. What should have been a revolutionary discovery quickly becomes a dangerous game when mysterious forces try to steal it. Before you can decide what to do, your colleague is kidnapped, and you’re forced to flee. With the help of a skilled hacker named Alice, you find refuge in a secret hideout for scientists who have faced similar threats. Explore a world full of intrigue, danger, and moral choices as you decide the fate of your creation. Will you use its power for good, or let it fall into the wrong hands?
29.4K 73% 7Ren'Py
Stellar Crossroads
In the distant future, humanity has been pushed out into new territories after a brutal war with aliens. It's been 150 years since the fighting stopped, and the battlefields have now become valuable mining colonies. You're just an ordinary miner trying to make it, until one day everything changes. Suddenly, you inherit a whole space station, throwing you into a world of power plays, intrigue and untold sex delights. Meanwhile, the original owners of these lands are starting to rise up, determined to take back what was theirs. Tensions are rising and rival factions are vying for control. You have to navigate a web of alliances, enemies and forbidden attractions.
28.6K 78% 21Ren'Py
Timeline
The year is 2225, and time itself has been thrown into chaos. Some crazy time traveler messed things up and stole some tech that could change history forever. You're the commander of a special time police unit and you have to go back in time with two-time cops to stop the bad guys. You have to find the stolen tech and figure out who stole it. There are going to be some tough challenges and enemies along the way. Will you be able to stop time from changing or will it just keep slipping away? The past needs you, are you ready to save the day?
26.9K 43% 3
HTML
Lust Goddess: The Game (Sp0ns0red)
Assemble your unique squad of sexy mercenary girls. Earn their love and trust, and they will show you their gratitude by bringing your wildest and lewdest fantasies to life! Play Free Now!
5.2M 100%
Boobageddon
Dive into a crazy adventure where weird stuff is going down in multiple universes! You, plus a group of cool and magical friends, find yourself in a weird new world where magic and humans collide. In this crazy land, secret witches are messing with the stuff that holds reality together, making chaos spread. Your mission is to figure out what's going on and fix the mess. Along the way, you'll uncover secrets, explore magic realms, and deal with some unexpected challenges. Also, lots of sex and hot moments will spice up the journey! Can you bring order back to reality and find the truth?
26.2K 73% 4Shemales
Ren'Py
Somatra Rmk
This RPG game takes you on a journey to a dark and dystopian future, where the Emperor Zion is ruling the galaxy through fear and war. He's expanding his empire relentlessly, crushing any opposition that stands in his way. You find yourself on Somatra, a cruel prison planet where all sorts of criminals, rebels, and enemies of the government are sent to disappear. You're a young woman who was imprisoned not for your own crimes, but for the crimes of your mother - a brilliant scientist who worked for the government once. Now, in this hostile world, you must learn how to survive. The future is up to you.
25.9K 83% 7Shemales
RPG Maker