At 3:15 AM, Adams woke me with a loud knock on my front door.
"Put your boots on," he said when I answered. "There's a biblical monster in my house."

* * *

A Visual Companion, by the author
Interview with the author, from the Royal Canterlot Library.
Audiobook by Robin Jacks and Wubcake.
Audiobook by Scribbler.
In-depth analysis by the Heroic Tales cast.
Literary Analysis by ScarletWeather.
Special thanks to GaryOak.
Reviews:
City of Doors
One Man's Pony Ramblings
PresentPerfect
Louder Yay
Between Lines
Bad Horse

Princess Celestia’s School for Gifted Unicorns is famous across Equestria as a center of academic excellence. Only the best and brightest unicorns are offered places, selected by their academic merit, magical ability and passion for study. To make the admissions process as fair and reliable as possible, all candidates are given three exams by different teams of examiners, who then meet in private to decide which students are most deserving of a place.

Winner of the December 2014 Writeoff competition: Behind Closed Doors.

After four harrowing years of civil war brought about by Nightmare Moon's return, Canterlot has finally fallen. Princess Celestia has been banished to the moon, and now a new alicorn rules over Equestria. For the supporters of Nightmare Moon, the new eternal night is a time for celebration. For the ponies who fought for Celestia, it means something else entirely. For when the war is lost and the victor demands fealty, the vanquished are given only two choices: bow low and kiss the ground beneath her hooves, or die.

Not everpony who bows does so out of love for the conqueror, of course. Some do it to bide their time. Some do it out of a sense of opportunity. Most bow merely to survive. All of them are liars. But how long can a pony tell the same lie before it becomes the truth?

And what happens to that pony when their lies are lies no more?

Edited by SolidFire. Inspired by the Nightmare Moon timeline in the season 5 finale, a particular scene from a particular show, and an entertaining game of Equestria at War.

In 2185, during his campaign against the Collectors, Commander Shepard discovered a previously unknown species whose origins predated any other race in the modern galaxy. Following a daring rescue from their ancient sanctuary, the Equestrian Herd was brought back into the galaxy where, for the first time in eons, they must walk their own path.

Knowing full well the terrible threat that lingers on the edge of the galaxy, the leader of this newly freed race fights to secure her people’s future while attempting to prepare for the storm on the horizon.

This is her story.
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The long awaited Sequel to Mass Effect 2: The Equestrian Equation This is a reader directed story. Your choices will shape events.
If you favorite, also like! It's one little button click that makes all the difference.

Also, this series has its own TVTropes page now! (Special thanks to user CrowMagnon for setting it up).

Brought to you by Loyal2Luna, this new Downloadable Content for Mass Effect 2 brings the fight to Equestria.

Just about ready to embark on their mission to stop the Collectors from further abducting human colonies, Commander Shepard and the crew of the Normandy SR-2 are given a new priority, when the Illusive Man tasks them with investigating the mysterious disappearance of a Cerberus science team.

Soon, what begins as a simple search-and-rescue unveils a mystery millions of years in the making, and the Commander finds himself thrust into a situation he couldn't possibly have prepared himself for.

Join the Hero of the Citadel as he uncovers the secrets, combats the demons, and ultimately decides the fate of the impossible world known as "Equestria."

Equestria has suffered through it's first war in over a thousand years. The ponies overcame Chrysalis and her changeling swarm, but only through a desperate alliance with communist Stalliongrad. Now, with a fragile peace under looming threats, the ponies of Equestria call into question the leadership of the alicorn sisters. Celestia has a difficult decision before her. What will she do?

Based on the Hearts of Iron IV mod, Equestria at War. All characters mentioned are from the show or the mod.
Also for a Equestria at War contest.

At the end of days, Twilight writes her final letter to Princess Celestia, then makes a decision about her future. Inspired in part by the Aviators song 'One Last Letter,' and by the events of the Season 4 premiere.

My name's Twilight. I know this is all very new to you, but I'd like to tell you a story from a very long time ago. From before my world died.

In the midst of a battle to protect Equestria, Twilight Sparkle falls. For a moment—just a moment—she wonders if she should bother getting back up this time.

A treatise on 2020, written and published 12 days late. Blame it on the Gregorians.

Princess Twilight Sparkle discovers a centuries-old mystery hidden in the Royal Archives. Her investigation leads through layer after layer of deception and misdirection, setting her hooves on a path that seems to be leading to a mysterious secret. Along the way, she learns that some friendships can be very, very strange.

Book 1 of the Alicorn Adventure series.

AUDIOBOOK by VisualPony
Featured at the Royal Canterlot Library
TV Tropes Page (Courtesy of Sandtalon)
Goodreads Page (Courtesy of Facedeer)
Equestria Daily Page

WARNING: Major spoilers in the comments. Takes place several months after the end of season four. (Not a Da Vinci Code crossover, BTW!)

Do you see a dark tag? No, you don't. Not dark. Well, okay, there are a couple of dark-ish bits, but that's all. Not enough to warrant a tag. Speaking of tags, there really ought to be "Badass Twilight" and "Friendshipping" ones.

Sequels and side-stories (and more) can be found here Offprint and AO3, and a hardbound two-volume set of all that can be ordered from The Ministry of Image.

My editor for the first edition of this story was Gogito, and I can't thank him enough for all the hard work he did. My editor for the revised version was PresentPerfect, and he did a terrific job of getting the story into excellent shape.