This story is a sequel to Stardust

Times are changing for Equestria as Twilight’s return brings with it news of people and cultures from beyond the peaceful world everypony knows. Aid and volunteers are freely offered to help the besieged humans of Earth because every Equestrian knows that’s what good friends do. Unfortunately, making friends can also have the unintended consequence of making enemies.

When the monsters besieging the humans strike at Equestria with a level of brutality not seen in over a thousand years, the cry for help is sent to all the kingdoms of the world. Honored allies step forth to fulfill ancient treaties and oaths. Enemies, old and new, bury their grievances. An alliance never before seen in Equestria will be created to combat the monsters from the void.

And because of these events, a grim but welcome sibling to the XCOM project is born.

(XCOM/FiM Crossover)
(Sequel to Stardust, which I recommend reading before starting this. Fortitude Amicitia and Broken aren't required reading but are supplemental to the storyline)
(Gore tag for blood and violence)
(Alternate Universe tag because of the divergence from canon that Stardust has caused)
(Uses elements of Season 4)
(Coverart produced by the amazing Carnelian!)
(Many thanks to Arzoo, BradTheBrony, Vandenbz and Setokaiva for prereading!)
(As of 03/07/2016, the prereading team consists of Arzoo, BradTheBrony, Noble Cause and Metallusionsismagic!)
(Complete with it's own TVTropes page as part of the Stardust continuity. Could use some updating!)
(Character tags will be added as chapters are added!)
(Featured 5/12/2014! Thanks folks!)
(Possible spoilers in the comments! BEWARE!)

Edit: Now a collaborative effort with Loyal2Luna

Commander Shepard has been through a lot, but now that the Reaper War's over he can finally relax and take a little R&R, right? Soak up the sun, grab a few drinks, spend some quality time with Tali, introduce a new race to the galaxy... wait, what?

In the aftermath of the war, a new species has been discovered amidst the destruction and fire. A species that have access to powers never seen before, powers which could prove vital to the continuation of galactic survival.

The Citadel Council has elected to send Shepard, along with the rest of the crew of the Normandy, to introduce Equestria to the universe outside of their solar system.

Now Shepard must wade through obstructive bureaucrats, antagonistic journalists, and the odd, angry prince in order to bring Equestria into a new age of space and adventure.

So settle in, it's going to be one hell of a vacation!

Now has it's own TvTropes page

Twilight Sparkle is stressed, for some very good reasons: it's only been a few weeks since she was moved to Canterlot Castle to assume control of the duties of a princess, and she's still getting used to the constant stream of paperwork; she's trying to figure out when and how she'll be able to see her Ponyville friends again; and, to top it off, her first day off from princess duty is the night of her first date. So, seeing her obvious stress, Twilight's one and only BBBFF Shining Armor decided to tell her how his life started down the road leading to his crowning Prince of the Crystal Empire...

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Cover Art © 100yearslater@DA

This story is a sequel to Stardust

Twilight has finally returned home from the harrowing challenge that Discord set upon her, and the residents of Ponyville and the Elements especially look forward to having their dear friend returned to them.

Twilight, however, has changed. Still suffering from her injuries, almost incapable of using magic and haunted by the memories of her time on Earth, she becomes increasingly withdrawn from those who were closest to her. Will her frustration at her current state and her friends inability to understand her experiences cost her what she valued most before Discord's bet?

(Sequel to Stardust, familiarity with this is recommended!)
(Proofread by Arzoo!)
(Coverart commission drawn by the amazing KairaAnix!)
(Crossover with XCOM: Enemy Within, though the crossover and human elements are minimal)
(Featured 4/28/2014, thanks folks!)

Twilight Sparkle had been looking forward to a quiet, relaxing day with a friend, and at first it seemed that Fluttershy could provide just that. But when Twilight makes a rather unsettling discovery about the pegasus – and her unusually sanguine appetite – the knowledge proves to be anything but relaxing...

Chrysalis is dying and she has but one thought on her mind. When she is gone from the world, who will care for the one thing in the world she values above life itself?

What will she sacrifice? How much of her pride will be thrown aside? To what lengths will she go to ensure her daughter's life? Will she beg a mortal enemy for mercy, not for herself but for an innocent foal? She is already willing to die for her child so what else could she give to be certain of the filly's sustained happiness?

This is my entry for the EFNW 2014 Writing Contest. I'm really happy with it so it doesn't matter whether I win or not. Seriously I'm glad I got to tell this story.

Alright big shout out time. As of March 13, 2014 the impeccable Goombasa has posted this... HERE ... Now that a YouTube fanfiction reader has read one of my stories I am one step closer to world domination!

New big shout out time! As of August 28, 2018 the lovely CountessRose has posted this HERE ... Now that a second YouTube fanfiction reader has read the same story as last time, I am yet another step closer to worlds domination!

Now on to the important details, the shout outs to the artists responsible for the vectors and background I used to make the cover art.
The Chrysalis Vector
The Celestia Vector
The Background
Many thanks to them.

If she had been a good little filly, she would have listened to her mommy and daddy and her teacher and the esteemed mayor of Ponyville. If She had been a good little filly she would have stayed indoors, hiding under her bed as she waited for the Royal Guard and the Princesses to arrive and deal with the dragon. If she had been a good little filly, the kind of child that always got what she wanted for Hearth's Warming, she would not be on the trail leading up the mountain, to where the dragon now rested.

Glitter Belle is not a good little filly. She is a curious one, whose curiosity has brought her face to face with a very, very large dragon. Let's hope it's in the mood to talk.

This is 100% Approved by Twilight's Library

'Caught' has been edited slightly. Re-read and try to spot what's changed XD

The crime rate in Canterlot was hitting an all time high, which was perfect for a young thief like Chase.

Unfortunately his fellow thieves started getting caught. And everypony knows what happens when you get caught.

You're taken to Celestia and interrogated in ways so horrible, so demeaning that the one caught is never the same again.

Chase knows this and refuses to let it happen to him.

For even if he is caught, he knows in his heart that he will never give up his life of crime. And nopony, not even Celestia herself can change that...

Right?

This story is just a bit of fun that popped up in my mind. Mostly because I wanna write Celestia in a good way for once XD

No possessiveness, no darkness, just a gentle, motherly Celestia.

I'm not sure about the tags, so if I'm missing something then tell me XD

[Featured on EQD 21/4/2014] [Now on TVTropes]

When Luna gifts Twilight the town of Ponyville and its surrounding countryside as her demesne she's initially confused. Then, after double checking her dictionary, more than a little concerned.

All her friends are, legally, her possessions. The town that took her in is her plaything, if she so wishes. She has been given responsibility.

Can Twilight's vision for a modern renaissance outrun the harsh realities of the shadowy figures pulling strings behind the scenes, nobles jockeying for her attention, and an irritatingly metaphorical love triangle?

Special thanks to the insatiable Blue_Paladin42, the incorrigible Maskedferret, the intuitive Southpaw and the indestructible newbiedoodle for all their hard work, past, present and future.

After a busy day celebrating princess Mi Amore Cadenza's birthday, Shining Armor and his wife take time to wind down, relax, and talk. The topic of their conversation soon moves in an unexpected direction, and the couple finds that their marriage still has surprises in store for them both.

Cover image by naroclie. Used with permission.