The best 10 sci-fi games for Windows

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Star Knave

As the errant Prince of Thansk, you leave behind the predictable courtly life of your sleepy home planet. Through derelict space stations and dangerous cosmic watering holes, you go in search of adventure and wealth. A story of laser gun battles, exotic alien titties and galactic power ballads.

Slut Trainer

Dorothy magically turns out to be in the land of OZ where strange things are happening. Dorothy wants to go back home, but for this, she will have to go all the way, from an ordinary girl to an True Slut.

Guilty Force: Wish of the Colony

In a corp-controlled cyberpunk future, there is one group of women, one name that the corps fear: GUILTY FORCEWith an international team of veterans and talented newcomers, this 2.5D sci-fi/cyberpunk platformer focuses on the side-scrolling platforming action, multiple approaches in gameplay with a branching optional visual novel storyline that is sure to entertain with lively, unique and diverse cast of characters.Guilty Force is a blend of both classic western and anime influences that bring a fresh look to a familiar genre, inspired by media both new and classic, such as Deus Ex, Mass Effect and more! With sexy women and men alike to approach, extensive weapon options and optional depth, Guilty Force can become your new guilty pleasure! Play Kira and find her missing teammates while investigating Corporation Z and their private colony.

Celestial Memoir

Follow Holly as she attempts to recover her memory and find her purpose in a strange land. She will encounter many new faces on her journey, and maybe a few old ones. Some of them will be willing to help her, while others may be interested in 'other' things. This game has a futuristic/sci-fi fantasy setting.

The Villain Simulator

Did you ever watched that old Batman show where him and Robin were always about to die in a trap, and then in the next episode they managed to escape from an horrendous dead? Well... No More!! I always fantasized with the idea of the Villain actually winning, this is about that with the sexual element added to it.

Schoolgirl Brother

Play as the brother of the girls from GirlLife, Kolka in a somewhat similar but alternate time. The goal is the corrupt your sisters and mother to the fullest extent.

Adventures at Magic Academy

Adventures at Magic Academy is a science fantasy, adult visual novel and dating sim. You take on the role of Yuuto Kazama in a modern world where magic exists. The old ways of casting have mostly been abandoned, mages favouring technology to handle the casting of magic for them. Control Yuuto's actions as you attend Ravenwood Academy as an undercover agent and attempt to stop terrorist organisations from causing chaos.

The Solarion Project

Explore the galaxy with your all female crew to support you! Having recently inherited a ship from your estranged father, you set out on a journey to discover new worlds with a new family. However your past begins to catch up to you and you begin to find out things about your father than you and even the crew he spent years with, never knew. Each crew member has their own in depth and rich personality and back story. Pick your favourite to form an intimate relationship with, or maybe... multiple. There are many choices to make and not all of them leading to happy outcomes, but it's up to you, the player. In control of your own destiny as you begin to discover, what is the Solarion Project?

Escape From Titan

This is a 3D game for adults in the genre of sci-fi rpg and survival.SPOILER

Reincarnotica

Reincarnotica is an adult visual novel that takes place in the near future where Immersive Virtual Reality games are the norm. You take control of a middle-aged man that has nothing going on for him but due to a freak accident one day, finds himself inhabiting a body of a younger man. Not only that but he discovers that he's going to live with 2 beautiful woman and acquired a new found power unbeknownst to him... Unravel the mysteries that surrounds yourself and at the same time take advantage of the new opportunities that has been given to you.