Portal 20 stories
  • Portal 20 stories Glados-pony crossovers
    Created by keybounce
    - June, 2020
Found 19 stories in 36ms

Total Words: 580,702
Estimated Reading: 1 day

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Somepony (not gonna name any, just saying) dared Rainbow to play this one game.

You can imagine how it went.
Or read this story. It'd be easier.


Proofreader: Randominos
Best Friend being a bit of a dumby with the comments: Dollie

Chapters (1)
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This story is a sequel to Derpy Accidentally a Portal Gun


After inadvertently activating a portal gun and bringing Chell to Equestria, Derpy found herself imprisoned in the Crystal Caverns. She knows that Princess Celestia will eventually relent and let her out; Derpy just has to be patient.

Sparkler isn't patient. And Sparkler has some very particular skills.

Reading by AShadowOfCygnus

Chapters (1)
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This story is a sequel to The 2016 Presidential Campaign Goes to Equestria


A mishap with a marzipan portal gun leaves Sparkler stuck inside a video game with nothing but a scarf, hoping to survive until she can figure out how to get back home. Along the way, she gets some company, but maybe she's better off without him.

Chapters (3)
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This story is a sequel to Derpy Accidentally a Portal Gun V: Tetralogy


In the conclusion to the thrilling* Derpy Accidentally A Portal Gun Franchise, Sparkler finds herself stranded on Earth, in a cardboard box. Can she survive Flint long enough to be summoned back to Equestria?

Of course she can, because she has a particular set of skills.

Can Flint survive her?

____________________________
*for some values of 'thrilling'

Chapters (4)
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On an otherwise boring day, Derpy accidentally triggers a portal gun. Then a second time, on purpose.
Given the recent ban on Humans in Equestria, how will Princess Celestia moderate the conflict?

Reading by AShadowOfCygnus!

Chapters (1)
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This story is a sequel to Derpy Intentionally A Portal Gun


Or, Derpy Accidentally a Presidential Campaign

Due to a rather strange clause in electoral process added by Thomas Jefferson, ponies turn out to actually be a large voting bloc in the American Presidential primary.

Upon discovering Equestria, the current candidates begin campaigning in Equestria.

It doesn't go as well as you'd expect.

This is the worst thing I have ever read
--Theodore Roosevelt

Chapters (7)
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This story is a sequel to Derpy Accidentally a Portal Gun II


After Sparker and Dinky rescued Derpy and Chell from the Cantelot Crystal Caverns, life returned to normal. Until the consequences of their actions caught up to them. Luckily, Derpy has the solution: she and her family (and Chell) will trek through Equestria with a home-made portal gun, ending the scourge of humans in Equestria once and for all.

Chapters (1)
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It was the perfect day in Equestria. The sun was shining brightly, the ponies blissfully lazing through their daily routines. That is, until GLaDOS appears.

Destroyed by Chell on Earth, GLaDOS now finds herself in Equestria, in a brand new body. One that is far more powerful than her previous one. She then kindly introduces everypony to her old friend, deadly neurotoxin.

[Takes place after Portal 1]

Chapters (2)
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This story is a sequel to Better Living Through Science and Ponies



THIS STORY IS CURRENTLY BEING REWRITTEN. PLEASE READ:
I've decided to rewrite this entire story. Considering that I began this project with almost no creative writing experience, I was bound to make some pretty bad mistakes. The story flow is not well organized, and there is an unhealthy amount of redundancy and poor pacing, as well as some pretty important things that I should have included. I intend to address these issues to the best of my ability, but it will be a long and arduous task. This story means a lot to me, so I want it to be more than the mere amateur mediocrity that it resembles. So, give it a read if you want, but keep in mind that it will change. I recommend that you put this on your read later list in the meantime.


This is a Portal 2 crossover. If you haven't played Portal 2, please do that first. Then read the prequel if you haven't done that either.


After Chell finally escaped the confines of Aperture Science, a freak portal mishap down below transported her, along with the entire Enrichment Center, to the land of Equestria. Upon entering this world, she was transformed into a pony. In a strange body and in a strange land, Chell was fortunate enough to be accepted by the ponies of Ponyville, and she lived out a new life contently among the ponies.

But that peace was not to last, for GLaDOS took a particular interest in the ponies of Equestria, and after two weeks of preparation, she launched a surprise attack and kidnapped 300 ponies to serve as test subjects, including Chell's friends and the princesses themselves. Once GLaDOS had them, she subjected them psychological torture. To save her friends, Chell made her way into the one place she hoped never to see again. In doing so, she freed the ponies, defeated GLaDOS in battle, and helped bring about the destruction of the facility. Although this made Chell a hero, she paid a terrible price in that brutal fight.

Beaten, battered, and traumatized, Chell spent months recovering from her wounds. After returning home from the hospital, all she wants is to once again live a normal life in Ponyville, but to do that, she must first heal from her wounds, both physical and psychological.

At the same time, GLaDOS herself has survived Aperture's destruction. With nothing left but herself, she vows to get back to testing. Though she faces an uphill climb, she is determined to see her facility rebuilt and the testing resume, and will stop at nothing to achieve this.


Has a TV Tropes page (will need to be updated after rewrite)


The works that this fanfiction is based on are properties of Hasbro and Valve. I would like to thank Pen Stroke for writing the original story and Flyer for his assistance and advice.

Please note, this is an unofficial sequel. I have received permission from Pen Stroke, but it is not canon to the original. I hope you enjoy it, but keep in mind that this is a fan work (of a fan work), and Pen Stroke holds the rights to the original story.

Chapters (23)
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Somehow Wheatley manages to come down from space and land in the strange and brightly-colored world of Equestria. He has no idea what happened, but his plans for dumbing everything down has yet to come to mind. He is picked up by Twilight and her plans for Wheatley are much, much different. Of course, after being turned into one of them, they slowly work him into being used to a body that's not his, and far from being GLaDOS.

Chapters (2)
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