The Lone Wanderer has been known as the man who shouldered the nightmares of every man, woman and child in the wasteland, so that they may live. But when the Wanderer was once again abducted by aliens, he found himself falling, quite literally, into a whole new wonderous world, untouched by the horrors of nuclear devastation.

He has been facing other people's nightmares constantly for almost a decade, it was high time he was allowed to wake up.

Meanwhile, the ponies of Equestria are baffled by a strange object that fell from the sky.

Fallout/FIM crossover. HiE. T for violence and some language.

Now with a TVTropes page!

I always wanted to go to Equestria. When I got the chance, I took the deal without reading the fine print. To my surprise, I didn't arrive there as a pony, or even as a human. It seems I get to view this world from a different perspective than what I've imagined.

My name is Echo. I am a Diamond Dog.

-Edited by the one, the only, Nathan Traveler!
-(Cover by Jovial_Shake of fimfiction.net)
-Now featured on Equestriadaily.com!

The Princesses find an alien creature barely clinging to life at the scene of a terrifying crash. Can the Combined Power of the Elements of Harmony save it, or more importantly, should they save it? Will the arrival of this strange creature tear Equestria apart?

TV Tropes
https://tvtropes.org/pmwiki/pmwiki.php/FanFic/Article2

Spartans never die, they're just missing in action. This has never been more true for Jorge-052 as, after activating the slipspace drive that was supposed to kill him, he is instead flung into a strange world where war is but a distant memory. Will the aging soldier be able to adapt to this new peaceful planet? Or will his only salvation be found in finding a way back to his own chaotic universe?

(It's my first time, so be gentle)
Now featuring a TVTropes page by Sabo88

At first, Chrysalis loathed him; the dumb-as-a-brick woodspony who goes by the name of Evergreen. But through circumstance, he is her only savior. And slowly, she comes to love the simple pony and his way of life. But her life as a changeling keeps holding her back. Will there be a happily ever after for them? Or are they doomed for failure?

*Comments contain massive spoilers!*

Check out the Sequel, Antecedent! http://www.fimfiction.net/story/25117/Antecedent

Cover art by Ink-Flow!

Edited version helped along by Fernin and Burraku_Pansa.

After the Changeling's failed attack, a full-out crusade is set against them. Many find a way to simply slip away. One is hapless enough to fall into the hooves of those his kind fought against. The changeling is promptly sent to the only pony Celestia could trust with such a thing.

Completely revamped, and thanks for constructive criticism and support behind the scenes (you know who you are, people).

Finding herself with wings and unusually powerful magic, Twilight Sparkle proceeds to have breakdown after breakdown, until with the help of her friends, she confronts Celestia and Luna about it... And learns that she's a far more important little pony than she ever imagined - for all the wrong reasons.

Awesome painting by Drezzer can be found here!

20 megapixel version is here (10MB JPEG, 210dpi strangely, 24"x20")!

Thanks, man!

After a mishap involving the Transportalponder, the Courier finds himself in a place he doesn't recognize. With no way back and nothing else to do, he decides that wandering into the nearest town is the best option. Being the Courier, things aren't that simple...

A Fallout: New Vegas/My Little Pony: Friendship is Magic crossover

The style alternates between omnipresent third-person and the Courier recounting his tale to... Well, take a guess.

Luna has had enough of Celestia's games, and has found the perfect means of revenge. Using a long-forbidden spell, she transforms her sister into little more than a small filly, all so she could pull the greatest prank ever. Unfortunately, she soon learns that before you fool around with dangerous magic, you really need to read the fine print...

A sequel can be found here.

The legends told of their return.

For over a decade Equestria has been beset by the dragons. Every year more villages vanish in flames, and the lonely cities stand as our last redoubt. Winter has gripped the world, and our hope is fading.

But the legends tell of another, a light in the darkness. The Dragonborn, a mythic warrior reborn with the power of the Voice, the only one who can stand against the dragons.

But when she appeared, she was not what we were expecting...