- I am making the story because of Vantage77’s X-Com: Humanity Rising - A late teenager had his only family torn away from him. Now he is on a path of vengeance against X-Com, the people who killed his mother. He is an aspiring officer in ADVENT’s Human Volunteer Corp. But his successes are unnoticed until he stands against X-Com. (OCxHarem)

A former Sergeant in the United States Marine Corps, Nathaniel Greene lost his platoon in an ambush by Mutons during the 2015 invasion. He was picked up by a Resistance group and recruited by Central twenty years before the Commander was rescued. Now with the Commander spearheading XCOM's return, It's time for revenge.

Zhang found himself among a group of strange people. Unfortunate souls experimented on by their new alien overlords. He still wondered how they even escaped the hellish facility but he was thankful he was no longer being tortured. He would be stuck with this group for some time as they searched for a place to call home. Not that he minded. He still had work to do.

Mortified and disgusted after witnessing the truth behind ADVENT's lies, and after an XCOM operative shockingly spares her in battle, a viper decides that she will not stand for the Elders' atrocities. With her already malfunctioning mind-control chip rendered non-functional, perhaps she will raise a question: could this battle-crazed human ever care for a viper?

The war for Humanity's autonomy is over, the alien despots of Advent have been overthrown by Xcom and a new age is on the horizon. However, world changing events do not occur without a price. Power vacuums were created in Advent's absence, their alien pawns, once completely under control, now have found their own autonomy. a young man, from humble beginnings, can NOT fix this.

The Commander is rescued after 20 years and unceremoniously reinstated as the leader of X-COM. But a generation of ADVENT rule has left it's mark, and the road to freedom is long and hard, however unexpected events only make serve to make things more complicated. Eventually Commander X Viper. Vaguely inspired by The X-com Viper by The Imperator 2 you.

Subject Gamma has spent less than two weeks, total, outside of a Cage his entire life. First, it was the cage that the Blue-Eyed human that everyone called a Doctor had put him in, only coming out for her "Examinations" or "Tests". Now, it's the cage that XCOM has put him in.

A collection of documents, dossiers, and analysis on the various units, factions, organizations, cultures, history, events and leaders spanning the Ethereal Collective, ADVENT and XCOM. A supplementary companion collection to XCOM: The Advent Directive.

The life of the agents of Chimera squad. Watch- well, read- as their teammates become more than just friends. Terminal may have a crush on a certain mind-reading psychic agent but doesn't want to confess, and Cherub's confused about why he 'likes' the only viper of the team. Oh, and there's the problem of this odd girl who directed them on some missions that they end up rescuing.

Australia has been annexed, the United Nations is in chaos, the world is under siege and the Ethereals have taken the field. Facing the full might of the Ethereal Collective, the Commander must rally XCOM, the newly formed ADVENT, and several other allies and rivals to unite the divided nations by any means necessary, for failure now will mean the fall of humanity once and for all.

Twenty years after Earth fell, its extraterrestrial occupiers rule with an iron fist disguised as a gentle hand under ADVENT, promising lives of luxury in shining megacities to those who submit and ruthlessly crushing those who don't. But on the Unification Day of 2035, when the Aliens' greatest asset is taken from them, the War for Liberation will truly begin.

Nobody said defeating advent would be easy, but one could hope it would be over quickly. It has been four years since the sharpshooter Warlock joined Xcom, and despite constant success it seems Advent is no nearer defeat than when they started. Now, as the tides turn and everything starts to go wrong, he begins to question if Xcom can win this war. Or if they need a new approach.

An XCOM soldier gets more than he bargained for when he's assigned the task of running Elerium through an ADVENT hotspot. Viper-related hijinks ensue.

Nilian, an ex-Xcom doctor finds a rather boring and quiet life in the post-ADVENT world, inside the experimental city 31. One day, however, he comes across a particularly attention-grabbing alien reptile, who soon challenges the doctor's lifestyle. Reupload cause of formatting. I write mostly on the archive, check there first

Set during Enemy Unknown, two people share a moment under the night sky.

Each soldier in Chimera was eager to deal with more... More and more. Rated T for violence, death and profanity.

One shot. Near the tail end of the alien war in the Xenonauts universe, the project's chief scientist details the Praetors subjugation of the other alien races. And in the process, he comes to a great revelation concerning humanity and alien psionics.

As psychic attacks from a mysterious and untouchable enemy wrack the post-Advent Globe, the Commander mounts a final, desperate plan-to take the fight back through the portals, to invade the worlds previously conquered by the Elders. But doing so will mean facing against the greatest monsters made by the Elders, and uncovering the darkest secrets of their origins.

Classic AU set in X-COM Apocalypse. Disclaimer: Classic games were developed by Mythos Games. Rewrite of my previous attempt. Up for adoption to anyone willing to carry on with this setting.

Throughout its existence, XCOM has recruited many notable people in its fight against the Ethereal Collective. Dawn Conley is one such- an eighteen year old straight out of high school, with extremely high telepathic capabilities, and carries a unique skill only a few can master-biopathy. This is her story. Based off of Xabiar's XCOM: The Advent Directive fanfiction.

Awaking to another utopian morning in the settlement of New Luxembourg Alicia Taylor prepares to face the coming day and all it will bring.

The Xenonauts embark on on their first mission against the Extraterrestrial Threat, flown into action by a gallant crew of three, written for AlphaSpartan117

A farm boy in annexed Australia considers ending it all when an unlikely "rescue" arrives. Warnings/Tags: Human/Anthro, M/F, Femdom, HMOFA, ADHG, BDSM, Rape.

A collection of Journals from command center and field personnel. we'll see some familiar faces as well as some new as we delve deeper into the mysteries of why the invaders are targeting what seems to be specific population centers.

After escaping the Advent mega-city of New Providence, a scientist buys his way into a resistance cell operating within the City-23 Contagion Zone. Hoping to avoid further contact with his former viper creations, the man is thrust into a role that could very well change his outlook on vipers, and force him to face a ghost from his past. (see tags inside)