A TF2 crossover? Seriously, how many of these have shown up? Oh well, time for my effort.

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Equestria and Aquileon, the griffon's realm, have a long-standing agreement: Every five years, teams from each country will face each other in a competition to garner fame and glory for their home and for themselves. This year, the griffons have chosen war games, confident that they can steamroll the peace-loving Equestrians.
Princess Luna, determined to stop this from happening, pulls nine great warriors from their world to help Equestria and to train their representatives. But was this a good idea?

This is kinda... experimental. If this garners enough interest, then I shall continue it. Otherwise, I shall let it die quietly.
Also, if somepony can give me the source of the picture I'm using, I'd appreciate that immensely.

Part 1: Lyra's Pyro Predicament
Part 2: Twilight's Demoman Devastation
Part 3: King Sombra's Robotic Retaliation

When a mishap causes two para-dimensional weapons to colide with one another, RED Team's Pyro is sent flying from the Team Fortress 2 universe into the alternate universe of My Little Pony, where he is almost instantly discovered by Lyra, who shelters him in her home.

Having him hidden in her small townhouse isn't easy; keeping him from setting things on fire, teaching him that not every cart that passes by is cause for alarm, and that blue ponies are not something to be suspicious of.

However, with Nightmare Night soon approaching, Princess Luna feels that there may be something more sinister riding on the coat tails of Pyro's grand entrance; the first human to ever set foot in Equestria some thousand years ago...

When Ruby boards the first trans-oceanic flight in Equestrian history, the last place she expects to end up is stranded in the middle of Eternity's Crossing in the wake of a horrific zeppelin crash. After a mysterious tower leads her and a fellow survivor to discover a twisted and fragmented city twenty thousand feet below the surface of the ocean, though, a bit of fire and smoke is the last thing she needs to worry about. Between the horrendously disfigured residents and the paranoia of the madmare who once built and controlled it, daily survival in this corrupted utopia is anything but a guarantee. But with the help of some new friends and a few genetic enhancements, Ruby isn't going down without a fight, and in the process might just discover that the deadliest weapon in Harmony is herself.

An adaptation of BioShock for the world of MLP. Written to be comprehensible to anyone, regardless of whether they've played the original game.

Are pegasus wings really fragile? Do unicorn spells really fail catastrophically? And just how explosive is chocolate milk, anyways? Join Applejack, Rainbow Dash and the rest of the MLP crew as they not only tell the myths, but put them to the test!

Thanks Pustulioooooo for his WONDERFUL Coverart!

What started as a normal friendly visit ends up taking two ponies on a trip down memory lane that leads them both to realize their friendship began even before Rainbow Dash's first sonic rainboom.

Twilight Sparkle prides herself on following and sticking to her plans, but she isn't as organized as everypony thinks. Her master list, the plan for her life, has an item that she has never been able to check off; and the time has come to fix that. How hard can it be? All she needs to do is go on a date and get a kiss.

Now available in hard or soft cover!

Princess Celestia tires of constantly being surrounded by decorum, deference, and formality, and decides to take a day off from being Princess. But visiting Ponyville incognito is harder than she expects. Will she be able to fit in and make friends without blowing her cover?

Pinkie Pie and Fluttershy thought they were going to help banish Discord for a third time with their friends and the two princesses. That was precisely what was happening until they both found themselves suddenly transported to a strange new world under a flashing pink sky.

A man named Doug "TheSlorg" Collins finds two young women who are naked, confused, and smell of fudge in the Australian Outback. He then reluctantly agrees to help them return home. But when "home" turns out to be Ponyville, things become a bit more complicated than he bargained for.

Part of the PonyFall collaboration series.
Visit the PonyFall TV Tropes Page
Temporary cover art by Speccysy

Three girls. How did three girls manage to completely obliterate my understanding of the universe? Well, I guess I shouldn't call them girls (even though they look like they are), ponies would be the better description.

All I wanted was a nice breakfast and a chance to skip class. But the world decided to break on me instead, or maybe I broke it. I can't really make heads or tails of things anymore.

But what I do know is that I found three girls and they were scared. I can't believe I'm saying this, but I've got to help the Cutie Mark Crusaders get back home.

Part of the PonyFall Collaboration

Cover art by suirobo

Nine humans. Nine Mares. Normal Lives. That's all about to change!

This has nothing to do with Ponyfall. Please, don't confuse our story with that. This is just something we're doing for fun.

This is a collaboration between nine authors:
Marcus: Sartarus
Isaac: Inoeitall
Doug: Gyrofest96
Kasper: Glassed
Coal: Coal Buck
Ryan: RaiderRy4n
Benjamin: The Producer
Camron: Frostbite
Kyle: k12314