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.

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)

We all know the story of how Central rescued the Commander, but what drives a man to search for someone for twenty years. How does a person come to grips with the last twenty years being a fabrication. There has to be more written in between the lines from where the Commander is rescued and where gameplay begins... This is a Fangirl one shot written on vacation, but who knows. . .

The Venom's Drip is a little hole in City 31's wall, and its owner, Zethra, has a comfortable-enough life ruled by routine. Unfortunately, one of her regulars throws her life for a loop, and she realizes she's nowhere near as healed as she thought she was.

XCOM was not the first protector of humanity - they were only the latest. This is the story of the Chronicler, a simple friar in the early 16th century. When summoned to the Vatican, an encounter with an unknown artifact triggers a series of momentous events, and he becomes pulled into a shadow war that threatens to bring Europe to its knees. Based on Xabiar's XCOM series.

After the success of Chimera Squad, Jane Kelly has decided to start a new team. But where Chimera is Reclamation's poster child, Bauk Squad is there to give criminals something to fear. Boogey men hunting them from the shadows. And in City 79, where the crime syndicates have become exceedingly dangerous, Bauk has been deployed to root out these criminals. Any way they can.

Twenty years after the fall of Earth, a daring raid serves to ignite a full-scale war for the future of the planet. Novelization of XCOM 2: War of the Chosen.

Earth changed so much after X-COM'S Victory fifteen years ago. A lot bad, some good as City 31 prospers. While society moves on, some struggle. Especially for Sam who's past impacted him as a child from the war festers in world of Human and Alien despite how much he tries otherwise. But an unorthodox confrontation with an X-COM Reclamation Viper may steer his life a new direction.

"Find Your Light" AU related. (Editing to post here soonish) Lack of sleep, nightmares troubling one's mind, a foul mood, captured operatives, and a tight-lipped high-ranking ADVENT prisoner all come together to make for poor decisions. But Bradford doesn't care. He just wants answers.

A raid on an ADVENT Supply Facility leaves Zhang blinded, and the man isn't handling it well. OCxZhang

A quick excursion to an abandoned ADVENT Outpost in the Appalachian Mountains turned Black Market gives Bradford and his team more than they bargained for. It also leads to a discovery he wasn't expecting to find so soon. New allies and new adversaries bring new troubles for the mind and heart. - This is the "new" and more canon version for this AU idea.

Story time with the crew and past loose lips from Bradford's more "drunken" moments leads to him having to explain a particular incident involving him and Jynn in their youth.

Deep within what remained of the Asian XCOM branch, off in one of those still operation workshops, Zhang finds his usually quiet workspace intruded upon by some visitors. Small visitors.

Back during the Old War. Though the man would like to be alone, Geist finds Zhang mulling on the cliffside nearby the Hazard Course to have a chat. Apologies for earlier psionic training gone wrong and then a moment to discuss their possible futures once the war is won.

Noah Saetang's new patient sure is fascinating; a Templar. He might be more then Noah bargained for, tho.

A Commander returned and the war revamped. Let's hope these new soldiers can handle the stress and loss of combat. What new allies await? What new tales to be told? More importantly, can we win? Violence and cursing and a good dose of insanity.

When aliens begin an invasion of Earth, the XCOM project is activated in a desperate attempt to slow the incursion and save humanity. With few options, the Council turns to the only one who will do whatever it takes to defend humanity. Now, the war criminal known as the Commander must rally the defenders of Earth while contending with his enemies within the United Nations.

The Elders wanted a poster unit, something to show humanity they could be trusted, and so the 77th Human Volunteer Group was born. Now however the Elders, ADVENT, and XCOM itself will see that the smiling face of this units commander also has fangs. Lookout XCOM you shouldn't poke a sleeping dragon. OCxHarem (female aliens)

A collection of one-shots in Xabiar's XCOM series, from XCOM: The Hades Contingency to XCOM: The Advent Directive, written by various authors focused on fleshing out and expanding on certain characters and events.