You are Anonymous, you are fit, you are the only human in Equestria, and Rainbow is your best friend and workout buddy. For one reason or another, mares find you desirable, unnervingly so. For the longest time, your best bro, Rainbow Dash, has protected you from their advances. One day however, things you have been noticing for a while begin to start piling up; her blushing, the way her wings tend to stiffen around you...it couldn't be, could it?

Finally wanting to prove that her life-long belief in humans is valid, Lyra tries to summon one. It all goes horribly wrong when she ineptly summons a creature that cannot speak Equish, and scares the crap out of ponies. He instead escapes into the Everfree Forest to live among the other monsters there.

When what was supposed to be a simple assignment goes wrong Rainbow Dash finds herself trapped in an unfamiliar intimidating world that’s being ripped apart by a civil war and savaged by dragons. Now with the help of Arria, the imperial apprentice mage turned Dragonborn, and her trusty housecarl Lydia can Rainbow Dash help save the people of Skyrim from being consumed by civil war and the even greater threat of Alduin himself?

After a long day of work, Ditzy (Derpy) Doo wakes in the night to find that she is in the middle of the zombie apocalypse. Worst of all, the zombies arent even ponies! Instead, they are some strange type of two-legged creatures with hands. fortunately for her, she is found by four of these creatures that dont seem infected. But can they help her escape this nightmare? For that matter, can any of them escape the hell-hole of a city they find themselves in?

update: the sequel is out! check it out, if you'd like: Left 4 Derpy 2

(proofread by Flutterguy_6996. Title image photoshopped by myself)
(Dramatic reading by Applesaws. links to the readings can be found in the respective chapter's author's notes.)

A meteor storm, a silent city and an ancient secret. When the Reapers invade Equestria, Twilight and her friends find themselves behind enemy lines with no choice but to fight for survival. What will they sacrifice to return their world to the way it was?

During Rainbow Dash's first interaction with her friends' Pony Pet Play-Date, she was determined to get herself a pet. However, the way she went about getting one didn't sit well with one particular pony. Having had enough of the Pegasus and her lack of compassion, Twilight Sparkle makes both a brave and stupid challenge that leaves Dash and the rest of her friends wondering if she had gone insane. However, Twilight was determined to teach Dash a lesson, even if it meant getting humiliated. What fate had in store for the unicorn and Pegasus was not what anypony had expected, especially Twilight and Rainbow themselves.

It's Sisterhooves Social time again. This year, Dash catches wind of two new competitors and gets Spike to bet on the race. When her team is revealed to be a rather famous set of siblings, it looks like poor Spike will be her slave for a week! However, due to a team of masseurs, a minor invasion, unfortunate addictions, and dubious barrel components, victory might not be as near as she thinks...

For Rainbow Dash, Daring Do was only the beginning.

Harry Potter was a lonely boy who one day wished for a friend. Luna, trapped on the moon, wished for the same. And so their wishes are granted. How will the two deal with each other? And what about Nightmare Moon? Needless to say, their lives are going to change in both expected and unexpected ways...

Other stories in the Lonelyverse:
Hooves, Plush, and Magic: The Untold Tales
The Wizard and the Lonely Princess: Hallowe'en Special
A Nightmare Christmas

Chapters 9-11 now re-written.

After discovering that Cadence is not who she appears to be, Twilight is sent to another world entirely by the disguised Changeling Queen to avoid her plan being disrupted.
When Twilight lands, she discovers that not only have Spike, Owlowiscious and Peewee followed her, but that they've arrived in a world where the main sentient species is human.
There's still a place where they teach magic, though.
Crossover with Harry Potter. Twilight will be effectively taking the role of Hermione.

I've marked this story as cancelled to reflect the unlikelihood of it continuing. If I do come back to it I'll revert that.