Supreme Overlord of the Dominion of Equestria.
Wonderful title isn't it?
Capture the Country, Marry the Princess, Take over the world.
Sounds like an Adventure story doesn't it?
Well this is no story.
How do I know? Well I'm not stupid for one.
All those other dolts that came before fell into too many simple traps.
They're all so easy to avoid.
That's why I work to rule.
The rules.
The Rules of an Evil Overlord.

It is the year 2038, and the Earth is slowly being consumed by a space-borne monstrosity dubbed the Black Tide, which is using nanotechnology to remake the planet into something hideously alien.

Erin Olsen works for Project Harmonics, humanity's last-ditch effort to find a new world before the Tide can wipe them out. But when that world is found, and it turns out to be occupied, Erin will need to find the courage to face the unknown in order to save the inhabitants of both worlds.

(Many thanks to Easteu for the fantastic cover image for this story!)

Now with its own TV Tropes page

There is now a follow-up to this story: Sunflower - Side Projects
Sequel: Project Sunflower: Harmony

This story is a sequel to Iron Hearts: Book 3 - The Sept Lamman

An MLP/Warhammer 40K crossover, part 4.

The Tau threat has passed. The fleet that once thought to sweep aside the tainted pirates of the 38th Company has fled the system. The Lamman Sept is broken, demoralized, leaderless...
... And victorious.

With Lamman's plan put into motion, an alien horde hurtles through the Warp toward the Centaur system, its soldiers without number and thirsting for violence. Equestria's heroes must find a way to stop them, or the entire planet will be overrun with ease and its inhabitants butchered. While they could afford some pretense of neutrality and disinterest in the fight between the Iron Warriors and the Tau, now it is their world that lay in the crosshairs of the foe. Ponykind will need help to survive, and they look to the forces of Chaos for aid. But is there any hope to be found in the darkness?

EXPLOSIONS ARE IMMINENT.

(Dark humor warning; mild grimdark)
(Cover Art by Ahrimatt)
(This series now has its own TVtropes page!)
(This series is a contestant in the Tournament of Canterlot, a charity event to raise money for Syrian refugees! Go here for details and donations!)

This story is a sequel to Iron Hearts: Book 5 - Suffer Not the Alien to Live

An Age of Iron story.

Months have passed since the destruction of the Ork Space Hulk and the end of the war against the Waaagh that threatened to swallow the Centaur system and all its inhabitants.
The Iron Warriors' 38th Company is the absolute military power on the planet, and the survivors of the Lamman Sept and the ponies of Equestria stand with this mighty army of Chaos as they claim Centaur III as their own. Although the other nations of their world may not fully recognize the Company's dominance, it is no matter; the Iron Warriors make plans to return their cargo to the Eye of Terror and return to their eternal trade of piracy. The planet is secure, and can be shrouded by Warp storms at their whim. The natives are divided, weak, and anyway occupied fighting off the scattered Ork warbands. The military supremacy of Chaos is unchallenged, and bolstered by Equestria's reluctant, but hard-earned support.
As Ferrous Dominus expands its operations and the fleet performs its long-suffered duty, it seems nothing can stop the Iron Warriors and their equine allies. The denizens of this conflicted world start to hope that at last peace - if not a distinctly unstable and militaristic peace - has come, and they might start constructing a new, better future from the ruins of war.
But hope... is the first step on the road to disappointment.

(Dark humor warning; limited grimdark themes)
(Cover art by EZTP)
(Featured on 9/19/2015)

This story is a sequel to Iron Hearts: Book 4 - Emerald Dawn

An MLP/Warhammer 40K crossover, part 5.

With their plan established and put into motion, the 38th Company begins the long and unwieldy task of planetary defense, fueling the arcane energies that may yet unsteady the Empyrean and spare their fleet from an enemy without number or mercy. The inhabitants of Centaur III and even the abandoned aggressors help where they are able, but as their foes grow in number and destruction spreads across the planet, the war for the Centaur system has become a bloody race against time.
All the while, the grim culture of the Chaos marauders continues to mingle with the enlightened benevolence of their equine allies. Tempers fray and allegiances blur. But the die has been cast: Equestria and the Company will survive together, or be snuffed out together.
And even should they succeed, what future awaits these unlikeliest of friends?
For there is no peace among the stars. Only an eternity of carnage and slaughter, and the laughter of thirsting gods.

ALL THE EXPLOSIONS. JUST, ALL OF THEM.

(Cover art by Ahrimatt)
(This series now has its own TVtropes page!)
(This series is a contestant in the Tournament of Canterlot, a charity event to raise money for Syrian refugees! Go here for details and donations!)

This story is a sequel to Project: Sunflower

After the events of Project: Sunflower, Erin Olsen has returned to Ponyville, happy to pursue her studies in magic. After everything that happened the year before, she's looking forward to spending her days studying and having fun with her friends.

Meanwhile, on the newly discovered world of Harmony, humans and ponies work together to study this strange new world. However, their arrival causes something ancient to begin stirring. Something that may end up changing everything.

Erin will need all of her courage, all of her cleverness and, of course, all of her friends to see herself through what happens next.

Cover art by Valkyrie-Girl
Editing provided by:
Brilliant Point, Coandco, Ekevoo, Ludicrous Lycan, Merlos the Mad and Razalon the Lizardman.

From one barren wasteland to another, less barren wasteland, an Australian Information Technology worker finds himself stuck in the snow with nowhere to go. Armed with nothing but a cheap tool set and a three metre Ethernet cable, he must find a way to survive his new location. At least it can't get any worse... right?

Oh of course it can, it's a HIE.

Warning: Contains Australian, Changelings (of course), snow, occasional IT speak, less-than-stellar HIE satire, and shoddy humour not fit for a backyard comedy club.

This story is a sequel to Ponies, Pirates and Peculiar Psychopaths

Chrysalis has been driven out of Canterlot, her invasion defeated. However, an old friend from her time before becoming queen is more than happy to help her succeed with her plans.

Will these two achieve their goals, conquering pony-kind and ruling over them with iron fist and hoof? Or will they be stopped in time, preserving the peace that Equestrian has known for as long as can be remembered? There is more than just dreams of world domination at work, though, this is personal for Chrysalis and her rediscovered assistance.

Hopefully, the line that 'Evil never triumphs' will prove to be correct, or else a drastic change is going to descend upon not just Equestria, but the entire world.

Thanks to Avatar of Madness for the coverart.

Princess Luna still feels alone, nineteen years after her return to Equestria . But when she finds a friend in an online game, everything seems better. She can be herself without worrying about what others think, and she can finally talk to another pony, even if he never knows who she really is.

Celestia is worried about her sister, especially right now. Upcoming peace talks with a powerful new nation mean that all the Princesses need to be completely ready. With her Luna so absorbed in a fantasy world, she wonders how she'll make it through the harrowing weeks to come.

Button Mash feels like a failure. He's still living at home, he still can't find work that can use his degree from the university, and he still feels alone. His friends are getting married, starting families, and thriving in their careers. On the plus side, he plays games regularly, and his best friend is a mare, even if she doesn't know his name. He hopes that his upcoming vacation to Canterlot might help his mindset.

But, unbeknownst to all of them, a sinister web within a dark plot threatens to ensnare Equestria... And Luna may be the only one able to stop it.

She may face it alone, or maybe she'll have some help from her knight in faded armor...

Cover art credit to yamashta. Link here.

Preread by -TGM- and Goldenwing

Edited by m1ntf4n, PheonixStarr, Wing, and the_Doc, and Swan Song, and Orion Caelum.

Follows canon up to about season 4 or so. I'm not sure when everything went off the rails, but it was originally as true as possible when initially written.

Link to the Discord chat HERE!

Red Team had been given an assignment. It wasn't the usual sort of assignment. They were assigned to defend their base 'until further notice'...and then never received notice. All announcements sounded pre-recorded, and enemy assaults were few and far between. The enforced inactivity was slowly fraying the bonds of the team...

...until something unexpected arrived. A tiny creature appears one day in their fortress, in need of compassion and care. Somehow, she finds that in this group of strange individuals, as she becomes their baby.

-------------------
Crossover with Team Fortress 2.
Part of the PWNY-verse.

Edit: Since I get these comments a lot, I will say here, I've never played the game and don't intend to include much in the way of game mechanics, so please don't suggest such things.

Edit 2: FAN ART! for chapter 9 by G_Haze. Makes me so happy.
Edit 3: More fan art from G_Haze, This guy's amazing!
Edit 4: New fan art! by The Pyromanecer. Thanks so much!
Edit 5: More fan art by shiningkord98.
Edit 6: New Fan Art by The Pyromancer
Edit 6: More awesome fan art from G_Haze! So awesome!
Edit 7: New fan art by Pioneering Author