After an accident with the Kanohi Olmak, Takanuva finds himself stranded in a new dimension and stuck in a new form. With no way to get home to his own universe, he has resigned himself to living out a peaceful existence in his new home, but his past will soon catch up to him in a way that could be disastrous for not just his world, but for all of them.

The year is 2557 AD. Four years, seven months and ten days have passed since the activation of Installation 04B and the annihilation of the Flood. While humanity and the Covenant have struck a truce for the time being, and started to rebuild their civilizations, Master Chief Petty Officer Spartan John-117 has been in cryo-sleep, adrift, while his ancillary AI, Cortana, has been trapped in her own thoughts. She had been looking for a reason -- any reason -- to wake the SPARTAN up. Now she had one.

They were crashing.

{Description Edited 4/25/2014: Clarified Installation 04B}
{Edit 05/02/2014: Trimmed character list pending future change}

Ever since she's made the trip to an alternate Equestria multiple times, twilight has begun to think heavily about the portal. Is it just a connection between the two dimensions or are there more connection to more worlds that can be made. After a long time of theorizing and discussing it with Sunset Shimmer she decided to set up an experiment to test her hypothesis. In the presence of her friends, her brother, Discord, and fellow princesses she begins the experiment which in the end has dazzling and explosive results. In the aftermath they discover that beings have made their way through the portal and that they are just a bit different from the norm that they know. They're a bit more defensive, more fight-y, more...quirky? With the portal being in need of repair they can't immediately send them back and so hopefully the new arrivals will be able to wait patiently while it's being fixed. And maybe in that time they can show Equestria just exactly who they are and what they stand for while they watch over and protect creatures of a world not their own from a dangerous force using something they might recognize
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Written because like many other people i ahven't gotten into the damned awesome Overwatch BETA ...plz blizzard?

the games out now i'll be fine....

Also WOOT! PITY?HASN'T BEEN UPDATED IN AWHILE AND IS MODERATEWLY READ FEATURE SPOT WOOT! I'LL TAKE IT!!! 6/18/2016

Makuta Teridax, the name is almost synonymous with fear, the darkness, corruption, and evil in the universe that was cursed with his presence. But when the Great Spirits that rule it finally have him trapped they seal him in a weakened state, and put him in a lethally flawed mechanical body. They then exile him to another universe with no hope of return. A universe filled to the brim with magic and light and talking ponies.
Surely this is a world that is ripe for the picking. But Makuta's plans for world domination are cut short by a pair of would-be allies, this world's so called emissaries of the darkness. Nightmare Moon and King Sombra pledge to follow him, but their help only seems to hinder his efforts.
Will the spirit of shadow learn the magic of friendship? I sure hope not.

A bionicle meets my little pony story, because it's the only crossover combination more stupid than Doctor Who meets MLP, oh yeah, this world is completely different from my Vortexes are Magic universe, different Nightmare Moon and Sombra personalities as well.
Rated teen for possible gore
Sources; (I put the two images together, but neither are mine) http://www.fanpop.com/clubs/king-sombra/images/32672968/title/sombra-photo
and http://custombionicle.wikia.com/wiki/Teridax

2021 Update. New Sonic writing project.
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Sonic has nothing to do, Doctor Eggman is in jail, everything is like yesterday, heck, the canyons he trains at are nothing new! Well, good thing a hole in space-time sweeps Sonic into a new adventure in a pony land!
Unlock friends, foes, vehicles, and items!
See here for characters.
See here for gear.
Meet the Mane Six!
Meet Sonic the Hedgehog... twice! And help him rescued himself!
Meet Sonic's friends and rivals! ... and siblings?!
Discover secret factions Sonic will probably not learn about!
Discover secret groups Amy will find!
And who is the villain behind Time Eater?

Explore Equestria to save it from being erased and colorless with the help of the Elements of Harmony ponies.

Explore Canterlot High as you try to stop three teenage girls from ruling the world with the power of music! Why does that sound familiar?

This story has canon and past canon characters. i.e. Sonic's siblings from Sonic Underground.
All OCs are slightly altered versions of regular characters and are altered for plot convenience... or just because of Shadow.

WARNING: VILLAINS MIGHT NOT BE KID FRIENDLY. THAT IS WHY "TEEN" IS ON THERE.
I am not consistent in these things above.
There's also secret chapters you can access with the code: Shard the Metal Sonic.

Takes place shortly after The Cutie Re-Mark.

One night, after the events of time-traveling, Twilight asks a favor of her new friend, Starlight Glimmer, having to do with her number one friend, Spike. Will she be up to it?

A year has passed since the attack on Canterlot. Twilight and her friends are off on a picnic near the forest, but are attacked by dozens of hungry Hydra. But when Twilight and her friends think they're going to die, HE, shows up again, and Twilight, her friends, and the princesses, are determined to know more about their savior.

Annomalies in time and space create undesired portals, trapping beings in different worlds. A coalition of such beings is forced to fight the evils from their worlds in order to save their friends and allies, while trying to return to their homes.

A multy crossover of MLP;Star Craft 2 and League of Legends.

Sequal: Deffending the universe

When Twilight goes to Canterlot for Princess training, she lives Spike with Rainbow Dash for the day along with Pinkie Pie who's having a sleepover with Rainbow Dash. That night, Rainbow Dash and Pinkie Pie play pranks on Spike and warn him that on midnight, ghosts appear. But when Spike goes to sleep, Rainbow Dash and Pinkie Pie get a visit from the spirit of a duck whom they pulled a prank on earlier...when it's actually Daffy Duck messing with them.

Special thanks to GunsNRoses365 (Author of A Mothers Love) for helping me out on this story.

Edit: Although it is hinted at within the story, sexual activity is never explicitly written in the story: For that reason, I've removed the 'sex' tag from this story.

Inspired by Beau Willimon's House of Cards, The Manehatten Project is set shortly after the beginning of Season 5 (and before the season finale) of My Little Pony, and tells the tale of the rise and fall, and nefarious scheming of Manehatten mayor, Otto Cratic. Otto is a ruthless Manehatten politician, disenfranchised with the Royal Canterlot Sisters, who will stop at nothing in his quest to 'protect' the citizens of his city from the dangers outside of Equestria, and the dangers and seemingly incompetent rule within.

After 20 years of patient waiting, Otto has finally been elected to the seat of office of Equestria's largest and most powerful city, Manehatten, a hub of culture and diversity boasting millions of citizens, a major shipping port and naval drydock, and the heart of Equestria's ore mining and metal industry due to the vast Dragon Mountains to the north. Manehatten is a city who's time has come.

...However, dark events are brewing, and with the aid of romanced enemies of the Mane 6, the magic of a long since vanquished king, and a band of Griffin Mercenaries, Otto has a plan to secure his own place in Equestria's history, and see his family rule Manehatten for a thousand years to come...

As you may expect of a story inspired by House of Cards, The Manehatten Project features adult themes, including Violence, Sexual Themes (albeit suggested only, no actual written scenes of sexual activity take place in this fanfic) and Political Corruption. Viewer discretion is advised.