Our sci-fi porno 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 will explore space together with a sexy female alien researcher. Somehow, he fucked up and destroyed her spaceship. This forces him to find money so that he can return home. The journey back will be extremely long and tedious. He will have to deal with crazy sex-bots and alien women who just want to fuck. He can choose to indulge them or find his way back home. He is quite lucky that his space woman knows the way and that she can help him ward off the sex bots. Of course at a price. He can thank her by fucking her glorious pussy.

94.3K 78% 63 Recommended Ren'Py

Follow the Leader [v 1.0]

There's almost no sex scenes by the version 0.5. Maybe they will appear. However game has lots of renders and nice story line. This is the story about the men's world, they have all the power and control. Your mother was a servant for one of the leaders. Finally you were able to buy yourself a freedom but you decided to take the revenge, because how they treated beautiful girls and got locked in the prison by yourself. The girls will never forget what you did and will help you to escape. What you will do next?

235.3K 67% 24 Ren'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 100%

SpaceCorps XXX [v 2.6.2]

If you enjoyed the Top Gun movies, then Spacecorps should be a fun and challenging title worth checking out. In this parody game, you get to be one of the elites like Maverick but instead of fighter jets, it's all about space warfare. Moreover, you get to train with a bunch of other cadets and interact with numerous female characters, some of whom are sexy aliens and even cyborgs. In this space adventure game, your seduction skills will be tested, so you must do your best to get laid. Keep in mind there is also a lot of gay content but most of the time, you can feel free to skip it.

340.7K 75% 39 Recommended Gays Ren'Py

Callisto [v 1.0]

First of all, the Callisto is the name of your space ship and virtual assistant. You're traveling around the Space to trade with others and look for something valuable in the entire galaxy. Together with your crew you'll explore the universe and meet with different intergalactic creatures in this futuristic adventure game.

189.2K 76% 23 Recommended Ren'Py

Rebirth - Episode 4 [v 2]

Remember that you have to play all previous episodes to be able to finally look what's inside here (honestly nothing much at the time of the first release of this part). Anyway continue a little bit scary and paranormal story about the life of one casual guy.

112.5K 71% 33 Ren'Py

The Void Club Ch.24

This time the game switches genres. We jump into Japanese Anime because this chapter is based on Kill la KIll. There may be not so many sex scenes as is common in such games but it definitely has some depth to it. The chapter is completely new and serves us something fresh. We are used to Western culture parodies but now it's time for some spice Hentai sex scenes. You will time travel into the Hentai world, find popular characters from Kill la Kill and decide on which one you will bring back to the club. Have fun choosing!

90.9K 70% 5 HTML

Reincarnotica

This game is about the near future, where virtual reality has become something commonplace. The main character, an adult man, ends up in the body of a young man as a result of an accident. But that's not all, he will live with two beautiful girls, and he also has some kind of magical power. He needs to quickly adapt to his new life, as well as take advantage of his position to have a good fuck.

40.7K 68% 14 Ren'Py

My Future Wife: Ep.1

This is a story about a young 18 year old guy who finds out that he has some super powers and he can travel through time. Here's the catch though, he can only time travel for only 30 seconds. It maybe just a moment but it's enough for him to have a sneak peek into the future. One day he looked right into the eyes of his classmate, a beautiful girl called Ha-Young Kim and knew that she was his intended one. In the future, she will be his wife and they will have passionate sex. Find out how he unlocks such power.

289.6K 57% 20 Ren'Py

Color of My Sound [Ch.2 Finale v7]

In this futuristic game, you step into the shoes of an Officer of the Spec Ops. Get ready to navigate through a world filled with conspiracies, betrayals, dramas, and more. Your decisions will shape the path of your hero as you lead them through a gripping story. It's crucial to carefully select the people you can trust in this Empire full of challenges. Every choice you make will have a significant impact on the outcome of the game. Are you prepared to dive into this thrilling adventure, where loyalty and trust play a vital role in determining the fate of your hero? Get ready to unravel mysteries, face intense situations, and forge alliances with those who stand by your side. Of course as a hero ladies will be begging for your cum.

196K 69% 17 Ren'Py

Melatonin Magiks Ch.4

Before you start playing this game, it will be better if you complete all the previous parts. You wake up after a long sleep and have no idea what's going on here, but there are a lot of interesting characters around you. You'll meet a cat girl, a robot fellow, and a childhood friend who likes to get into fights. Get used to this world and go on an epic adventure with your friends.

10.9K 45% 1 Ren'Py

Overgrown: Genesis [v 1.00.2]

This game is all about survival. You will soon discover that there's some parasite roaming around that targets males and cripples them. The first victims happened to be on an expedition in Amazon. After the bite, their wounds started changing and became covered in some hard layers. Before we know it, they had morphed into agressive female raping monsters. They lacked any regard for women and only saw them for their pussies. The virus is spreading really fast and needs to be stopped before the world is destroyed. You will be playing as Juno - a survivor of the apocalypse. You will need to unite and cooperate with other normal humans in order to survive. The graphics maybe a little blurry but the images are quite impressive.

1.1M 63% 166 RPG Maker

The Agent Who Barely Knows Anything [Pt.1 + Addon Ep.1]

Voices in our heads can get nasty from time time. Well, you have a voice in your head that has always fed you with naughty fantasies since you were young. Now that you are an adult, the clown is back in your head whispering these naughty fantasies that will have you turned on. The voice narrates a story full of sexy lesbian stories, nasty doctors, incomprehensible conspiracies, paranoid cat, drunken robots and so many more nasty stories. Just let him take control of your mind and you will do a lot of weird things that you never thought you could. Everyone has a nasty side, it just requires a push for it to come out. Enjoy yours!

274K 49% 35 RPG Maker

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.

654.6K 69% 28 Flash

Torrid Tales [v 0.8.2]

Aliens invade a small town and start to conduct certain experiments on it's inhabitants. The Aliens tweak the human DNA and it's like the sci-fi project distorts human behavior and their sexual preferences. Imagine having sex with huge monster dicks and scary creatures devouring you. In this game you will enjoy a lot of sex scenes, many fetishes and try out several sex styles. You will have to make some choices, interact with several characters and determine how the game plays out. All in all, dress down and try out new preferences that you never thought could turn you on.

285.2K 66% 32 Recommended Shemales Ren'Py

Lunars Chosen [v 0.26.0]

Play as a guy visiting childhood friend Katie, intending to live with her for a while. In a peculiar dream during sleep, he encounters the goddess Serena, expressing boredom with her divine routine and seeking interaction with people in our world. This unexpected connection intertwines his life with divine intrigue. He becomes Serena's fucktoy and he is lucky to feel how divine pussy tastes like. You will have to balance between Serena, Katie and the struggles of life. If you are sleek enough, you will never get caught. Now, represent the human males and show Serena what she has been missing all this time. That veiny cock of yours up her sweet pussy will be thanking you on the daily with huge cumshots!

1.6M 78% 345 Shemales Ren'Py

Project QT (Sp0ns0red)

Join the fight in a world on the verge of chaos, chase after the sexiest schoolgirls this side of the multiverse and fuck your way to victory! Get ready for some really hot, uncensored content - Lead them into battle, and enjoy your just rewards as the hero, by unlocking sex scenes with each of them! Free Game!

2K 100%

Android LIFE

The main character was facing imminent death from an approaching truck, but his life was saved by a girl who took him to the future. Of course, she will not let him go just like that, since such a gift must be paid for. It turned out that there were no men in the future; they died from an unknown disease. Women have created androids for themselves, but this is not what they need. Your task is to satisfy all the needs of women and make them happy.

53.8K 57% 11 Ren'Py

Give Me a Sun

You won't see any dick in this game because the game is about lesbian relationships. The game takes place in a distant alternative future. The main character returns home after years of absence to find out what happened to her missing brother. She needs to start the investigation from the very beginning in order to understand the entire chain of events that happened to him. Do everything possible so that the main character finds out the whole truth.

19.9K 66% 9 Ren'Py

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!

64.8K 62% 3 HTML

Star Channel 34

Please check link of Renpy Bugs to get rid of the status bar, otherwise game is unplayable. This game is a set of different stories where you have to train many famous girls from different cartoons, TV series, games and other sources. You'll play as the Genie and your task is to train them well to save the humans.

488.2K 71% 58 Recommended Ren'Py

Rogue-like: Evolution [v 1.51]

Unveiling your mutant abilities during a sentinel attack prompted a rescue by a squad of X-Men. Now, as you arrive at the Xavier Institute in the early evening, hope begins to stir. The promise of a new home amid the challenges faced by mutants since Apocalypse's fall sounds like a promising deal. Despite the tough journey, the prospect of sanctuary and camaraderie under the X-Men's wing feels like a welcomed opportunity. Stepping through the institute doors, you enter a potentially brighter future, where acceptance and belonging await in this haven for those with extraordinary gifts. Heck yeah, it sounds like a good deal!

1.8M 85% 335 Ren'Py

My Future Wife: Ep.3 [v 0.23]

This is a continuation of the series. You will have to play the 2 previous episodes so that you understand the game's storyline. In this episode, you will meet more new characters who are thirsty and want to perform more sex actions with you. They are horny and desperately want to have a taste of your mighty shlong. You will keep on travelling through time and meeting all kinds of characters. Time travel is a delicate affair and the more you travel, the weaker you are so it may end up in tragedy. To avoid this, just make the right decisions, don't be too greedy and ensure you pace yourself.

498.7K 69% 50 Recommended Ren'Py

S.H.E.L.T.E.R. [v 1.0]

This adult visual novel is subtitled “An Apocalyptic Tale” and tells the story of an unforeseen and devastating nuclear disaster. Although numerous shelters were built, there's not enough space to bring everyone to safety. Even on the inside, surviving isn't easy and you often wonder if there's anything better outside. For now, you'll just have to make the best of the situation with your shelter-mates, which isn't too hard because they're a bunch of sex-crazed hotties. Progress through the story to unlock numerous fucking, sucking, and fetish scenes, including Femdom, mind control, impregnation, threesomes, and more. Very high quality animation makes it easy to lose yourself in this game: do you have what it takes to help the human race survive?

1.7M 81% 334 Recommended Ren'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.

95.3K 69% 13 Ren'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.

93.7K 80% 16 Shemales Ren'Py

Bitch Squad [v 0.4.7]

Step into a world where sexy heroines with vampire, zombie, or alien powers protect cities. Instead of battling supervillains, they focus on catching perverts in back alleys who target innocent girls. These powerful heroines, almost unbeatable with their extraordinary abilities, turn the tables on attackers, making them the victims. In this unique story, the narrative centers on these fierce and alluring champions as they maintain order and ensure the safety of vulnerable individuals. Discover the thrilling adventures of these unconventional heroes as they use their supernatural powers to combat wrongdoing and bring justice to the streets. After catching the attackers, the fuck and drain their balls till the villains beg for mercy. Now, this is what I call, justice!

370.6K 71% 57 Shemales Ren'Py

Rebirth - Episode 1

To play these games, you'll need to finish this part first before moving on to the second one. At the end of the game, you'll be prompted to name your save game, which will allow you to continue your progress in the next part. Now, it's important to note that this visual novel focuses more about erotic reading rather than quick sex scenes. It's all about immersing yourself in the story and making choices that shape the outcome. As you progress through the game, you'll get to know more about the characters and their relationships. If you're into games that combine romance and storytelling, this one's for you! Stay tuned for more information in the upcoming parts.

177K 67% 20 Ren'Py

Fates: Determination

Get ready for an epic adventure filled with surprises and intense emotions. Meet Jack, a college student who's feeling let down by the world. But one day, everything changes when he discovers he has a mysterious and magical power! On the other side, we have Amy, a government agent with a secret mission to hunt down people like Jack. In this game, you'll switch between these two characters, experiencing the story from both perspectives. The best part? Every decision you make will have a real impact on the outcome of the game. So buckle up and get ready for an unforgettable journey!

88.5K 71% 9 Ren'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 74% 119 Flash

King of Kinks (Sp0ns0red)

Power up your girls and build up your harem to fit your hottest fantasies! Get spicy private messages from the girls you meet during your adventure! Fulfill their desires and unlock the kinkiest sex scenes! Play Free Now!

2K 100%

The Inn [v 1.00.00]

This game is about a young guy who has been independent for a long time as he had a conflict with his father when he was only 20 years old and was forced to leave the house. His life wasn't great so far, but everything changes as he meets a new person that will improve his life forever.

492.6K 74% 53 Ren'Py

My Hentai Fantasy

In this hentai game, you take on the role of a male protagonist who wakes up in a strange apartment half naked and with no clear memory of who he is or how he got there. With no relocation of his relatives, you will have to get to know them from scratch. You also find out that you are the son of a rich daddy and will be heading off to a prestigious university with your hot sister. It is up to you to put together the missing pieces of his identity and uncover what caused his memory to vanish. Best of all, you get to interact with several sexy anime characters like Bulma from DragonBall Z and Asuka from Neon Genesis Evangelion!

262.9K 79% 22 Ren'Py

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