Our sci-fi porn games catalogue counts dozens of them in total. Compilation of Sci-Fi Sex Games includes best adult games with science fiction to relax and spend time.

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Sci-Fi Sex Games

Science fiction

Space Journey X [v 1.20.11]

The main character explored space together with a female alien researcher. Somehow, he accidentally destroyed her spaceship. The main task of our hero is to get rich and return home. It will be a long journey where he will have to deal with crazy sex-bots and alien women. The main character is lucky, he can turn to his space woman for help in all difficult situations.

89.6K 61 RenpyRen'Py

Who's the Father? Episode 2 [v 2.13]

Continue living in a role of the middle sibling as you keep exposing different secrets about your family. Also the big dark organization keeps growing it's influence around the world and you keep on working to stop them. Meanwhile you'll fuck with many sexy babes in different situations.

195.7K 10 RenpyRen'Py

Aeon’s Echo (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!

2K

Deviant Anomalies [v 0.9.5]

Your city got into huge snowstorm and daily lives of all citizens are completely changed. Turns out that mysterious supernatural beings started to occur everywhere and crime level is sky rocketing. You just finished the college and will start to work as the rookie detective to help your city. Now it will be your decision what to do with supernatural beings - make a team and stop others or just make a harem of them and fuck all day long.

270.6K 35 RenpyRen'Py

The Void Club Ch.3 2.0 - Fantastic Four

This is another remake of the older version. It's bigger, it's spicier and it's better. This update features more graphics and more popular characters. Things are about to get popping in here so make sure you buckle up. You are in for a sexy treat - pun intended. Throw yourself into the Marvel universe and interact with different superheroes and heroines. These iconic characters have been highly sexualized and you get to see their darker, sexier side. Enjoy this banger and make sure you don't click too fast. Fuck all of them Avenger, after all you can do this all day!

72.9K 2 HTMLHTML

Ashes

In this gripping tale, a woman's life is upended in an instant. Job, personal life—all irrelevant. Her sole focus: saving her daughter, no matter the cost. Navigate a world infested with chilling monsters and harrowing scenarios. The mum sacrifices everything including her own body in the hopes that her daughter will remain unharmed. The monsters view her as a delicate sexy human being and want to stick their monsterous cocks in her juicy pussy. The very thought is despicable but she gives in and even finds herself enjoy every inch. Remember, every choice is critical and will determine how the storyline puns out.

124.1K 19 RenpyRen'Py

Betrayed [v 1.01]

Play as the spirit of a deceased individual who struck a deal with the devil. Uncover the mysteries of the city, gaining strength progressively, and eventually attaining freedom to shape your destiny. Navigate a narrative rich with choices, each decision influencing the unfolding story. Delve into the city's secrets, discovering your newfound abilities. The game provides a hint system, accessible through the bulb icon in the top left corner, offering guidance for those in need. Exercise your autonomy, enjoy your new found freedom and do whatever you want with the girls. You have earned it!

317.5K 32 RenpyRen'Py

Alternate Existence Season 2

This is a continuation of the story about a young guy who does not remember his parents and does not know who they are. He lived in foster families for a long time until something terrible happened and he had to run away. Now he is 22 years old, and he finally has the opportunity to breathe freely and decide how he will live further. Everything in the game depends on your choice.

26K 7 RenpyRen'Py

My Future Wife: Ep.2

To understand the storyline, you will have to play the previous episode. You will now understand that the main character discovered that he had super powers whenever he masturbated. He noticed this when he jerked off for the very first time. To unlock the super powers he must jerk off with his full concentration on his cock and should not blink at any one point. This is is the same thing that happened to Ha-Young Kim when he looked into her eyes for too long. The super powers include time travelling and predicting future events. If you unlock these powers, you can use them however you like.

240.1K 15 RenpyRen'Py

Hot Sand of Antarctica [v 0.08]

The Earth transformed by global warming, leading to gas explosions in Siberia as the Arctic ice melted. Now, Antarctica is the sole hospitable place left. Previous rules hold no value, with criminals dictating all aspects of life. Groups claim territories, guarding them against rivals. Assume the role of a warrior within one of these factions. Your mission: navigate the harsh reality of this lawless world, where survival depends on strength and cunning. Embrace the challenge of securing your group's dominance while facing threats from others seeking to expand their influence. Are you ready to fight for your place in this new, unforgiving order?

477.1K 81 RenpyRen'Py

F.U.C.K. [Peck Orbit v 0.1.2]

Full game name is: Four Unknown Cosmos Kisses. You take the role of the 19 year old girl who lives in the small village. Space traveling become possible and that changed entire society. All those discoveries went further and now you can join space simulation program as well. You live with Jesse. You'll fuck with him time by time.

394.6K 62 RPG MakerRPG Maker

SlutCraft: Heat of the Sperm [v 0.39]

This is a parody of StarCraft and you'll take the role of Sarah Kerrigan. Her main goal is to become a queen. At the beginning she's just a good soldier. Meet dozens of other characters from these series and interact with them, look for any chance to become powerful and use all chances to get laid.

858.9K 82 ShemalesShemales RenpyRen'Py

Nico Robin

Another mini loop game starring horny Nico Robin. This time she is fucking with some Muslim guy and he has ability to become invisible. Just click on the guy to use this feature.

650.7K 28 FlashFlash

Area69 [v 0.80]

This game is the very definition of bilingualism. You have the option of playing it in Spanish or English. You will live with your mom's best friend while your parents are out of town. Thank her for her generosity by taking care of her body. She needs some servicing and who better to fine tune her sweet pussy than you? You are also a student and this is your last year. Do not forget to do whatever it takes to pass your final exams. Apart from your sexy host, there are a lot of weird things happening in the city lately. Several paranormal beings have been spotted across town. You have the opportunity to experience their otherworldly sexuality or choose oblivion. Be a little daring and interact with them.

1.2M 281 RenpyRen'Py

Last lustful War

This game is about demons, guards and other mythical creatures that have a confrontation. Shemale demon girls are preparing to kill all the highest guards and seize power in the Gap (name of the location). You and your mate will try to stop them and have a lots of fun during this mission with all those chicks with dicks.

125.4K 4 ShemalesShemales RenpyRen'Py

Just one more Chance [v 0.37]

The main character is a fat virgin who was incredibly lucky and was able to go back in time to change his life for the better. He will go back to college, where there will be several girls who need a special approach to seduce them. Develop a plan for each girl, since winning their favor is not so easy.

283.5K 34 HTMLHTML

Lust Goddess (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!

2K

Never Meet Your Heroes

Explore this sexy over 18 title that takes femdom to a whole new level. In this game, you get thrown into a world where women are the dominant force because they are naturally stronger than men. With seven all-powerful women that rule, each one has a unique superpower and you must uncover the differences between them. However, you can only do this by having as much hardcore sex with each of them. Along the way, you will also have to become the most famous avenger in a city teaming with violence. Play and see where this story takes you but keep in mind that after downloading the game and pressing the ‘New' button, you may need to wait a little before the files can fully load.

30.7K 5 RenpyRen'Py

Cyberslayers [v 0.4.1]

In the game, follow young Aline in the year 2039, where humans and mutants coexist but tensions run high. Aline aspires to join a special force called Slayers, who hunt dangerous mutants. Lacking experience, she thrusts herself into challenging situations, altering her perspective on the world forever. The game unfolds as Aline navigates these encounters, testing her abilities and reshaping her understanding of the complex relationship between humans and mutants in this futuristic world. Of course she will try some mutant cocks and dominate her prisoners. Aline has always liked being in control and Slayers allows her to be a full fledged dominatrix.

326.5K 158 RPG MakerRPG Maker

A New Beginning [v 0.14]

This is the story about a family and how you (the protagonist) have control over a family grimoire. It's a magic book that will take you through time into new locations. You are currently exploring what the book can do and you are in for a shocker. Whenever you have the book, weird things start to happen with you and all the women around you. It's like you have this sexual allure and the ladies find you irresistible. Be open to making new memories and having a lot of sexual adventures. After all, there's no boring life that a little bit of magic and alot of sex can't fix!

1M 98 RenpyRen'Py

Pandorium - Small Business Rourke

Rourke is helpful trader monster that can help you in any situations. This time he'll help a girl who's been working too much and needs to relax from the work. He gives her a special drink and she feels much better, kinda drugged. He uses this situation to sell her body for sex to other customers. Select the client, keep clicking on him and watch her dizziness meter. Earn money and get to the next level.

256.8K 11 FlashFlash

The Void Club Ch.2 2.0 - Mass Effect

This game is a remake of a previously published game. The update version is bigger and better. It contains some new scenes and characters that are even hotter than the last ones. Also, the storyline has changed a little bit. You will also interact with the sexy Miranda Lawson, Tali, Avina, Kasumi, Sylvia, Synth and Asari. You can joy some nice sexy actions with them as you fuck their beautiful pussies. In this game, you will have a taste of everything, be it a nice blowjob, pussy fucking or even anal. You will enjoy it all. Just make sure you follow the story, make some decisions and unlock all scenes.

120K 5 HTMLHTML

Love and Submission

You were in Asia for a while and now you're back home. You haven't talked much to your family and lot of things have changed, for example, new neighbors, you're mom is dating someone etc. You can play this game through multiple paths as you build your relationship with others. Be careful on your decisions.

889.2K 261 RenpyRen'Py

Charon 13

This game is situated in the future, on the Earth and it's year 2223 outside. As everyone is predicting now the planet is overpopulated and there's deficit in almost everything. The only hope is a new planet called the New Earth and you're on the big space ship traveling to this new world.

92.1K 13 RenpyRen'Py

Star Periphery

This is a retro sci-fi game, the author was inspired by some famous films such as “The Fifth Element” and many others. The game features five main futanari characters with whom you can have an affair, as well as several minor ones. Each futanari is quite colorful, so it will be interesting for you to sleep with each of them.

83.4K 16 ShemalesShemales RenpyRen'Py

High-Rise Climb [v 0.95.1.1]

All successful people once had a struggle in their lives and needed to put everything together to get back on the right path. Same story here about a guy Byron who's trying to climb up by career ladder and become an important player in his niche. But what he'll do when he'll reach this success? It's up to you. Also be patient on pixelated animations as all frames need a time to load and after that animation will go on smoothly.

433.7K 60 ShemalesShemales RenpyRen'Py

Rebirth - Episode 2

So, if you've completed the first part of the game, you'll be able to jump right into this one by selecting your saved game. The story follows this guy who's living a pretty worried life, but things start to take an interesting turn when he encounters a mysterious girl. She completely changes his life and sets him on a new path. Now, in this next part, get ready for some more excitement and maybe even a touch of erotic romance. You'll see the story unfold in unique ways based on the decisions you make. It's all about exploring different paths and seeing where they lead. Get ready to dive back into the adventure!

115.8K 23 RenpyRen'Py

Fates: Determination

Get ready for an exciting and emotional story with unexpected twists. Jack is a college student who is disappointed in this world, everything is not going the way he dreamed of as a child. One day everything changes and he discovers that he has some kind of magical power. Amy works for the government and does secret things, she's just hunting for people like Jake. You will switch between characters to understand the story from two sides. Every decision you make affects the outcome of the game.

83.8K 9 RenpyRen'Py

Super Sexy Android

In this sci-fi erotica short film, Kenichi, a down-on-his-luck salaryman, runs into a beautiful (and curiously naked) woman on his walk home from work. When he invites her to his home, he begins a sexual adventure that will change his luck forever! To Kenichi's great surprise, she reveals that she just so happens to be an escaped espionage android named Pinky. All it takes is one fateful kiss and Pinky's programming priorities change to compel her to please Kenichi in any way possible... and Kenichi knows exactly what he wants from her! Watch the fun unfold as they explore a variety of exciting sexual positions: she gobbles his cock, lets him pleasure her asshole, then jumps on top to receive a massive cum shot. Total running time is 25 minutes.

1.8M 119 FlashFlash

Cybergenic 4: Low Blow

In this futuristic game, you'll be on a spaceship with some super attractive ladies. Your role involves leading investigations where your decisions can lead to steamy encounters with these babes. Get ready for a thrilling journey filled with mystery, romance, and plenty of exciting choices. As you go through the investigation, be prepared for unexpected twists and turns that could heat things up with your fellow crew members. Will you be able to solve the mysteries while also enjoying some intimate moments with the hotties on board? It's all about balancing your leadership duties with the potential for some sizzling interactions in this space adventure. Have fun and fill their wet pussies with your cum. Breed all of them!

62.4K 3 HTMLHTML

Horny Villa (Sp0ns0red)

It’s time to build your dream mansion while romancing the hottest and kinkiest girls. Are you into Sexy maids? Big-titty sluts? Submissive shy girls? Nymphomaniacs that live to please you? Horny Villa has it all! Get ready to collect unique hot photos and enjoy high-quality fully animated sex scenes. Play free now!

2K

My Hentai Fantasy

You wake up in some apartment in your underpants and have absolutely no idea who you are and how you got here. You don't recognize your relatives, and that's why you get to know them again. It turns out that you are the son of a rich daddy and you are going to a prestigious university together with your sexy sister. Try to find out what happened to you and how your memory disappeared.

225.2K 20 RenpyRen'Py

A Petal Among Thorns

The main character is a middle-aged man, and a dark period has come in his life. His comedy tour has failed, and he and his daughter go to a quiet place where there are no people at all. He hopes that here he can find inspiration and everything will return to its place. Soon, new unknown feelings arise between him and his daughter. Gradually they succumb to temptation and develop a new form of sexual addiction.

78K 16 RenpyRen'Py
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