Free Sci Fi Games

Free 2D/3D Offline Adult Games.

Dream Dance Version 0.1.1 FeeLuck_Games

Mate, it’s 2044, somewhere on this big old Earth. Now, let me spin you a tale about this college-age dude.
Yeah, he’s got a bit of a rough start with some disability, but honestly, he’s just your average bloke, not making any big waves. In this not-so-distant future, massive corporations are running the show, pulling the strings on everything.
Element-174 New Version 0.24 Knotty Games

“Element-174” is an adult sci-fi visual novel with a focus on choices and how our decisions cause ripples in our story. You play the role of the main character, a man who has just been accepted into Branchfield University. As he meets the various students and faculty, a mystery unravels which will change him and those around him forever. “Who will you choose to be?”
This game is designed around a deep and engaging story. Every choice you make will lead you deeper into the narrative with no early “game overs.” There are 16 possible character routes available that play out simultaneously and even interconnect. Your choices will influence which characters will open up to you or may become your enemies. Due to these branching paths, this game will meant to be replayed in order to experience everything. New updates will be released about every 2 weeks. Each “episode” of the story will consist of 7 in-game days with 4 episodes planned.
Defective Sexbot Chop Shop Version 0.5.1 Radnor

You were an engineer at BioBotics division of Mitsutachi Corporation and accepted an industrial espionage offer from a shady group.
Everything was great, you made quite some money. Until you were found by corporate counter-intelligence. Due to the sensitive nature of your situation and more importantly, due to lots of old favors owed, you were merely thrown out with a large debt, but at least alive.
With your black mark, you were unable to find any half-decent work at any legit company and decided to rent an old chop shop and do what you can do best – repair sexbots.
World After War New Version 0.97 Crazy Forge Studio

You take control of Jack, who wakes up in an unknown place inside a lab with a chamber. You don’t know what happened before to be in a place like this so you explore the place.
Arvale Protocol Version 0.2.1 SurvivalMyths

Home to around 8.5 billion citizens, Arvale City has become the number one living spot for the entirety of the world’s population. Surrounding the city, are the walls that shield people away from the outside world. Each and every citizen have been chipped at birth, all of which being special devices handcrafted by a high-rise corporation, otherwise known as “A.V.A.” These devices are called, “B.D’s.” While having a super computer implanted into your brain might seem like a cool idea, having a government tracking device will prove to be a lot more problematic than one might think.
Secrets of the Wasteland New Version 0.1.2.0 River#8217s End

River's End is a real-time mature 3D RPG game in which you take on the role of a lonesome wanderer new to the region.
You, a person with a murky past trying to make it in the harsh and desolate Mojave Desert wake up in a bar called River’s End dizzy and clueless as to how you ended up there. The bartender requests that you check in on an old friend however while exploring the area, you come across settlements and tribes, all with the same goal, to avoid slavery and to survive the wasteland and its dangerous inhabitants.
The Mojave is infamous for its lucrative slave trade, and raider tribes extorting supplies from settlements; after all, it’s a man eat man world out here.
The past isn’t important now, the future is, what will you be remembered for, and how will you survive? That is a question only time will answer. But one thing is certain: it’s a man eat man world out there, and you haven’t eaten for days.
Sombionic New Version 0.2 Sombionic

Shoot monsters and romance them during combat! In Sombionic you play as a female scientist fighting monsters and genetically engineered humans, harvesting their rare genes and organs for your own inventory. Once pristine habitats are now overrun by genetically enhanced species, their presence transforming these landscapes into biopunk arenas of rivalry.
The Lord of Time Version 1.0 IndianaTK

Welcome to the Milky Way.
You play as a member of the renowned Zenti cult, a space and time travelling cult so powerful that the mention of their names turns armies around.
You awaken in a new galaxy inside your type 50 time ship and must venture out in to the known galaxy to establish a new foundation for your civilisation’s new creation. Along your journey you encounter the young Liu Cheng and bring her into your ship as your companion on your adventures.
Travel through space and time and restore the cult to it’s original glory.
Fucking My Father Theatrical Cut New Final Version Part 2 Full Game OhWee RustyV

A tongue in cheek, unauthorized parody of DMD, with nods to a few other games in this Genre, from the silly minds of RustyV and OhWee…
This game follows the stories of three 18 year old girls, as they discover their sexuality. One shall eventually meet her father for the first time, and her two BFFs will join her on this journey of discovery, perhaps discovering a few things of their own along the way…
Note: FmF is short for Fucking my Father.
Color of My Sound New Chapter 3A Version v6 Gallant Trombe

Info:
Color of My Sound is a Sci-Fi, Espionage, Drama, Erotic visual novel set in an original setting. It is a universe chock full of potential for character drama, conspiracies, espionage, intrigue and action.
The story began when a rebellion on an unprecedented scale erupted across the Empire’s worlds and humanity faces an uncertain future for the first time since the Empire’s inception. The infamous day has abruptly altered the lives of many, including our protagonist.
Follow the story of the Officer, as he carefully manoeuvres around the machinations of various powers of the Empire, each vying for his allegiance or death…
As the commanding officer of Special Operations Squad “Nu”, form camaraderie, rivalry, and even romance with your team members. Careful, each member has their own hidden agendas and personal stake. Pay careful attention, trust no one, you will need to earn the loyalty, perhaps even love of each member to survive this journey.
Hotime Saga Version 0.1 AdultPlay

Hotime Saga is a fully animated, open-world novel and dating sim where androids handle politics while humans serve as the labor force.
Experience dating/fucking fascinating characters in this futuristic world, including both women and androids. Inspired by Summertime Saga and other popular games in the genre, Hotime Saga aims to bring something new for the players.
We hope you enjoy your time!
Stellar Dream New Version 0.55 Winterlook

Stellar Dream tells a story about a colony ship set to find new worlds suitable for human colonization.
Scouts were send to three most suitable candidates but communication with them has been lost.
The player’s task is to bring the scouts home,
find a suitable home for the colony and establish diplomatic relations with alien life forms.
SlutCraft Heat of the Sperm New Version 0.42 Shadow Portal

It seems like Sarah Kerrigan was a loyal member of Sons of Korhal and obeyed Arcturus Mengsk’s orders to every syllable just yesterday. But who would’ve thought that Mengsk didn’t forgive Sarah for killing his father.
Because of his plots and betrayal, a secret operation on Tarsonis, the capital of the Confederation, turned into a bloodbath and a ‘captive’ status for Sarah herself, but as she found out later, it was just another hard way to promising new opportunities. Opportunities to become stronger. To get revenge. To get some pleasure…
This is a story about Sarah Kerrigan’s path from a loyal soldier to a powerful (and sexy) Queen of Blades.
FemCity New Version 0.6.0 Kiriowo

In this game you play as a man, who stuck in the city where males are discriminated while females rule everything in this dark cyberpunk future.
Will you able to survive and more of that, manage to escape from the FemCity?
Oppai Odyssey New Version 0.4.4B Cryoxxx

You are the captain of spaceship and your crew is a bunch of cute girls. Explore your spaceship and build friendships and intimacy with your crew much like games such as “Mass Effect” and “Knights of the Old Republic.” Your mission is to explore and survey uncharted planets and experience the unique races and environments. Especially the cute girls. Oppai Odyssey includes completely animated scenes and sexy situations.
GIRLDIVERS Demo Version 2.0 Sweet Cakes Games

Join the GIRLDIVERS, humanity’s last line of offense against an overwhelming alien menace. Command sexy girl soldiers in a rich campaign full of randomly generated challenges, unforgiving enemies, sci-fi gadgets, and heavy firepower. Engaging in lewd punishments and rewards along the way.
Cheeky Take Two Version 0.16 Wrench Phillips

Female protagonist, mostly FF scenes and story. Interdimensional stuff.
It’s really not that complicated, but it is quite convoluted.
If you want some slightly funny stuff that might make you chuckle, some boobs,
and tons and tons of words, this is for you. Western, scifi, modernish setting and some demons.
Space Journey X New Final Version 1.40.18 Full Game y.v.

Our human hero is hurled across space alongside an alien female deep space explorer, whose ship he accidentally destroyed…
Supported by an overconfident drone and a mysterious passenger, it is our hero’s task to make his fortune and embark on the long journey back home, while dealing with alien women, crazy sex-bots and adventurers in his path…
Star Warrior and Space Girls New Version 0.3 Demo Typiconart

Typiconart presenting an adult visual novel story about Melivan Canscand,
that become on a third year of the Clone Wars a Jedi Knight and joined to Ahsoka Tano and clones army.
Experience this story and choose destiny of characters.
Hybridia New Version 0.4.56 Black Hood Games

As you take your final breath, the darkness descends upon you.
But just when you think it’s all over, a deity appears before you.
It’s none other than Aphrodite, offering you a chance to live again in a brand new world called Hybridia.
Who could resist such an alluring offer?
But as you awaken in your new body, you quickly realize that Aphrodite has not been entirely forthcoming with you. As her newly appointed Champion, you now possess an unusual power – the power of Lust. But that’s not all. You soon discover that you are not alone in this world, as other Champions from different deities are coming to challenge you. The reason why is unknown, and why you were chosen remains a mystery. And who the heck is Steve? The enigma only deepens.
The path ahead of you is full of obstacles and challenges, as you navigate the intricate world of Hybridia. Will you succumb to the temptation of your newfound power, or will you rise up and become the ultimate Champion? The choice is yours, but choose wisely. Your destiny awaits in Hybridia.
Erosphere New Version 9.9.12.3-2k bdot.labs

Set in the near future, AI has advanced greatly, and a company is about to launch a new AI prototype. You are the CEO’s son. Your story begins one night in your room, awakened by a sudden bright light. An attractive woman, claiming to be an alien, appears and asks for your help with an important mission. This strange visit leads you on a journey filled with challenges and discoveries.
Mental Blast Negative Power New Version 0.8.0 DiDongo

You take the role of reaper Elexis aka (Veil). She starts dreaming and seeing strange and hypnotic visions after an accident has happened on one of her previous missions. Now she wants to get rid of them but for that, she wants to visit a man known as Alun the Blind, who helped her once before hoping he could be able to do it again. Her goal will be not so easy to complete as she thinks. There will be many obstacles, foes, and friends that she must overcome to save herself from this ‘Mental Blast’!
The Long Way New Version 0.08.0 Muffin Maker

With the 13 Galaxies in limbo, your quest, if you choose to accept it, is to turn order into chaos, strength into weakness and leaders into puppets.
While there is still very little content (understatement of the year), the mechanics of the game have been resolved to allow for an almost infinite cast of characters and locations.
Our next target for the game is character interactions and creating the first of many worlds.
Parasite Inside New Version 0.2.1 Kodman

In this gripping Sci-Fi Horror game, our protagonist, Oni Lim, awakens aboard a colonization spaceship. However, as she awake from her slumber, she quickly realizes that all other crew members remain in cryogenic stasis, and critical ship systems are malfunctioning. Determined to uncover the source of the problem, Oni embarks on a perilous journey through the labyrinthine corridors of the ship. What she discovers amidst the flickering lights and ominous shadows is nothing short of shocking.
Hardcoded New Version 0.9 Patreon Fortunae Virgo

Hardcoded is an open-world dating-sim, set in the lawless reaches of a cyberpunk dystopia, in which you take on the role of a thinking/learning droid who has recently escaped her owners and is on the run. Before you can fully settle into your new life, it becomes obvious that Pira City is a place of dark and dangerous secrets. Fortunately, you’re able to befriend a cast of very horny characters who seek your aid in pursuing a shadowrun-style investigation. You can spend your down time trying to establish yourself, by earning money, decorating your apartment, buying clothes, collecting sci-fi dildos, or working on turning friendships into romances.
!!!This game is very explicit! There are many dicks in this game! Most of them are attached to girls!!!
Galactic Outlaws New Version 0.4 GUS

Play as a young man in a sandbox game where you, your step-mom and your step-sis are on the run from the Human Federation.
After your father is captured, you must flee your home planet in a spaceship and embark on a journey through the galaxy.
Encounter challenges and obstacles, discover new planets, uncover the truth behind your father’s capture, and also enjoy some hot scenes with all range of girls from across the universe.
Left Hand Magic New Version B.19P Novus

A talented Battlemage, you are struggling to find work for your type of magic in a post-industrial
(Magitek/Magic Punk) world that no longer has much need for battle magic. To be fair, you were warned about this.
Your parents, your friends, even your instructors at university all pointed out that Battle Magic,
once the most important of all fields, has long lost its purpose.
The monsters are all dead or uplifted to being civilized.
Dungeons all long since discovered, looted, and destroyed.
Even warfare is now dominated by magitek warmachines and tools, all the products of artificers and enchanters.
Paracosmic Reality New Version 1.8.0 Main Jiggly Stone Studios

You awaken to an unexpected surprise: a mysterious letter hinting at inherited property. Little do you know, this newfound possession will irrevocably alter your life's trajectory.Embark on a journey to decipher the enigma behind this bequest and its profound implications for your future. Along the way, endearing companions will join your quest, adding warmth and lightheartedness to this captivating unraveling of secrets.
Galaxy of Scum The Game New Version 1.4.1 Galaxy of Scum Cryo_hub

Stepping into the role of Astra, you find yourself thrust into a world of thrilling danger and seductive possibilities. As a cunning strategist, you must outmaneuver ruthless pirates, forge alliances with powerful Crime Lords, and navigate a web of intrigue where every decision carries weight—and could lead to exhilarating encounters, depending on your choices.
Space Explorer Naysa Escape from Restraint Erotic Alien Final Version 1.00 Full Game S2

S2 Games presents "Space Explorer Naysa – Escape from Restraint Erotic Alien," Final Version 1.00 (Full Game), a visually-driven interactive experience exploring themes of captivity and power dynamics in an extraterrestrial context. Throughout the game, Naysa encounters hostile alien adversaries who utilize restraint tactics during combat, employing suggestive and provocative attacks. Players can attempt to evade capture by strategically utilizing resistance commands or available items. However, failure to overcome these challenges results in a loss of control to the aggressors, leading to explicit consequences as dictated by the narrative.Furthermore, the environment presents hazards in the form of traps designed to inflict various abnormal conditions upon Naysa. These effects manifest visually through alterations to her character portrait, reflecting the psychological and physical impact of these encounters. Players also have the ability to customize Naysa's facial expressions, allowing for a degree of personalization within this intense scenario.
Lust Galaxy Final Version Full Game Play Cum

Play Cum Games released a new game called Lust Galaxy and the version is Final Version. Ever dreamed of a hot and dangerous femme fatale? Lust Galaxy offers you an exclusive opportunity to save one from a prison for extremely dangerous female criminals – but do you have got what it takes to handle her?
Life on Mars Chapter 1 New Version 0.7 MiZtyl

MiZtyl Games released a new game called Life on Mars and the version is New Version 0.7. At the end of the 24th century, humans succeeded in terraforming Venus and Mars. But just a few decades later, a war broke out when the colonists wanted to gain independence. The War ended in the middle of the 25th century with a peace treaty to end the Solar Federation as well as the sovereignty of Earth. The story begins at the start of the 26th century on Earth. It’s also the 1st century of the new calendar on Mars. The Martians are trying to distinguish themselves from Earth. Our main protagonist is a senator’s assistant. His boss is running for Chancellor this year. One of her promises is to end the legal status of polygamy and polyandry. But what about the main protagonist? Is he also against polygamy and polyandry? His decisions will shape the story of Life on Mars.