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GLaDtobeyourfriend by TheExpL0DiNgaPplE reviews
Fluttershy has stumbled upon something hidden deep in the Everfree Forest only to bring about something from the past. Something ancient has been hiding for a VERY longtime. Something very GlaD to be still alive and back.
Crossover - My Little Pony & Portal - Rated: T - English - Adventure/Friendship - Chapters: 14 - Words: 26,709 - Reviews: 10 - Favs: 5 - Follows: 15 - Updated: 2/23 - Published: 12/14/2014 - Twilight Sparkle, Fluttershy, GLaDOS, Wheatley
After Aperture by Shius reviews
After everything she's been through, all the testing, mocking, and fighting with A.I.'s, Chell is finally free from Aperture. But what now? Without any knowledge of the outside world, and the war between humanity and the Combine, how will Chell survive? Follow the story of our favourite mute protagonist as she dives head first into the world of Half-Life, the world beyond Aperture.
Crossover - Portal & Half-Life - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 53,139 - Reviews: 42 - Favs: 54 - Follows: 85 - Updated: 2/23 - Published: 7/26/2013 - Alyx V., Gordon F., Chell, D. Rattmann
The New Story by PixelsShattered
After escaping Aperture, Chell finds herself in a new place, with a new voice, and no way out. Reviews super appreciated. Rated T out of paranoia
Crossover - Portal & Stanley Parable - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 1,921 - Updated: 2/23 - Published: 2/22 - Chell, Weighted Companion Cube, Stanley, Narrator
Turret bender by du911
Deep within the bowels of aperture science...A lone turret sings it's requiem... Inspired by machinima!
Crossover - Portal & Legend of Korra - Rated: T - English - Hurt/Comfort/Sci-Fi - Chapters: 1 - Words: 377 - Published: 2/23 - Turret, Korra
CODE: TURRET by du911
Deep within the bowels of aperture science...A lone turret sings it's requiem... Inspired by machinima!
Crossover - Portal & Code Lyoko - Rated: T - English - Sci-Fi/Hurt/Comfort - Chapters: 1 - Words: 411 - Published: 2/23 - Turret, Aelita S.
The turret sings by du911
Deep within the bowels of aperture science...A lone turret sings it's requiem... Inspired by machinima!
Crossover - Portal & Phineas and Ferb - Rated: T - English - Hurt/Comfort/Sci-Fi - Chapters: 1 - Words: 382 - Published: 2/23 - Turret, Fireside Girls
TURRET FALLS by du911
Deep within the bowels of aperture science...A lone turret sings it's requiem... Inspired by machinima!
Crossover - Portal & Gravity Falls - Rated: T - English - Tragedy/Hurt/Comfort - Chapters: 1 - Words: 383 - Published: 2/23
PAW Patrol: Still Alive by SMBCrossovers reviews
The PAW Patrol has found someone that will change their lives forever: Wheatley!
Crossover - Portal & PAW Patrol - Rated: K - English - Adventure - Chapters: 1 - Words: 203 - Reviews: 1 - Published: 2/23
Portals of DOOM! by Cat Fishy reviews
After being released from Aperture, Chell has reintegrated with hyuuman society, but something is wrong. Why is everyone so stupid? Is that green kid really an alien? And did Black Mesa somehow cause the apocalypse? Meanwhile, Red and Purple wreak havoc on the universe, and Miyuki is not impressed. No pairings, mostly canon, post-Portal 2/The Trial.
Crossover - Invader Zim & Portal - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 5,218 - Reviews: 7 - Favs: 7 - Follows: 3 - Updated: 2/22 - Published: 1/13/2013 - Dib, Almighty Tallest Miyuki, Chell, GLaDOS
The Science of Art by ThunderRaptor reviews
Aperture had always been known as a place of science. Yet, there was a place where no one except for the founder knew of that contained something else. Years later, a lost test subject and her potato companion stumble across what seems like a lost gallery, but what lies within is a place of beauty and horror neither could possibly imagine.
Crossover - Portal & Ib - Rated: T - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 4,504 - Reviews: 4 - Favs: 5 - Follows: 8 - Updated: 2/21 - Published: 12/20/2012 - Chell, Mary, Garry
TOD dr who portal by 1980-somethingspace-girl reviews
Just read.
Crossover - Doctor Who & Portal - Rated: T - English - Sci-Fi/Humor - Chapters: 3 - Words: 298 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 2/17 - Published: 1/4
My Little Pony: Twilight's Requiem: by Pika53
While venturing into the Everfree Forest at night to investigate a strange light, Twilight finds herself trapped in the midst of dilapidated ruins in a long-forgotten testing facility. Enlisting the help of both old and new friends along with some strange... constructs; she must escape… or die trying. Human in Equestria. Please read and review.
Crossover - My Little Pony & Portal - Rated: T - English - Adventure/Friendship - Chapters: 11 - Words: 42,007 - Favs: 2 - Follows: 3 - Updated: 2/16 - Published: 4/9/2014
Wheatley's Nights at Freddy's by BabyCharmander reviews
In a desperate attempt to escape being punished by GLaDOS, Wheatley begs for a job, but the job he gets isn't exactly what he was expecting. Now he must survive an unknown number of nights at a part of Aperture that has, for many years, lied dormant. But its inhabitants have been waiting...
Crossover - Five Nights at Freddy´s & Portal - Rated: K+ - English - Horror/Humor - Chapters: 5 - Words: 17,839 - Reviews: 29 - Favs: 29 - Follows: 42 - Updated: 2/13 - Published: 8/27/2014 - Bonnie, Chica, Wheatley, GLaDOS - Complete
1920s Portal x Half Life by talietikasero
A 1920s double AU in which Aperture and Black Mesa are rival crime organizations, headed by Caroline and Breen respectively, and a night out turns into something unexpected
Crossover - Half-Life & Portal - Rated: K - English - Chapters: 6 - Words: 17,165 - Favs: 1 - Follows: 1 - Updated: 2/13 - Published: 8/25/2014 - Gordon F., Caroline, Chell
Crossover: PSI Portal by Prodigy411
When Porky takes control of Aperture, what will he do to the two teams that stop him? Find out in PSI Portal. Crossover #1.
Crossover - Earthbound & Portal - Rated: T - English - Adventure - Chapters: 4 - Words: 807 - Updated: 2/12 - Published: 2/11
Magical Science by ASHPD Development reviews
Harry Potter finds himself in aperture science after a bought of accidental magic. GlaDOS takes him in, seeing him as being cruelly mistreated, far more so than anything she would ever do, and he becomes a scientist. Later, a unicorn named Dinky Doo shows up, and the two develop science magic. With turrets, portals, and corrupt cores, Hogwarts won't know what hit it. HP/P/MLP
Crossover - Harry Potter & Portal - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 8,706 - Reviews: 29 - Favs: 37 - Follows: 60 - Updated: 2/10 - Published: 1/27 - Harry P., Luna L., GLaDOS, Wheatley
Draconic Science by Shade The Aperture Dragon reviews
When she heard of the legacy of the murder, she wanted to surpass it, no matter what. Draca was close to this goal when GLaDOS got in her way with a new device. Now Draca must learn to cope with her new body, altered thoughts, and new power while fighting for her goal. All the while, an ancient evil awaits its chance to strike. Includes Caroline and Doug as well. R&R
Crossover - Spyro the Dragon & Portal - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 18,219 - Reviews: 4 - Updated: 2/5 - Published: 12/14/2014
total dram crossover by hostel grim reviews
total drama crossover, where many worlds cross over and battle for one, million, dollars!
Crossover - Total Drama series & Portal - Rated: T - English - Chapters: 2 - Words: 2,732 - Reviews: 1 - Published: 2/3
portalmon by Bronymon reviews
when a teleportation experiment goes wrong and pokemon get loose in aperture, what will our heroes do to stop them? P.S. possible portal 3 beginning!
Crossover - Pokémon & Portal - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 5 - Words: 2,408 - Reviews: 2 - Updated: 2/2 - Published: 8/1/2013
In the Name of Science by Tib Dunncan reviews
With Aperture Science Innovators, Chell thought she knew what to expect from her time as a Test Subject. For five years, it was nothing but routine, and testing. But when she's waken from Deep Freeze for what she thought would be more of the same, she's greeted with a much different, much more bizarre, and much more dangerous Rapture than the one she once called home.
Crossover - BioShock & Portal - Rated: T - English - Suspense/Sci-Fi - Chapters: 2 - Words: 6,247 - Reviews: 5 - Favs: 4 - Follows: 9 - Updated: 1/31 - Published: 1/26 - Chell, D. Rattmann, Wheatley
They Speak by Glitchek
Alfred has a companion cube and these are the stories of the two
Crossover - Portal & Hetalia - Axis Powers - Rated: K - English - Friendship - Chapters: 2 - Words: 996 - Published: 1/28
Time Lords and Cake by Enlightened Apostle
The Doctor and Amelia Pond. Best of friends who travel in time and space in the most dangerous of situations, though none that quite reach the severity of this. Paralell universes, murderous robots and sassy cores. What could possibly go wrong?
Crossover - Doctor Who & Portal - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,904 - Favs: 1 - Follows: 1 - Published: 1/27
Portalborn by Experiment 282 reviews
In the land of Skyrim, the Dragonborn is a hot-blooded thrill seeker. An encounter with a weird man and a talking meteorite ball thing that rambles about space sets her off on something weird indeed...
Crossover - Elder Scroll series & Portal - Rated: T - English - Adventure/Humor - Chapters: 45 - Words: 330,262 - Reviews: 68 - Favs: 66 - Follows: 67 - Updated: 1/25 - Published: 2/17/2012 - Dragonborn/Dovahkiin, D. Rattmann, Wheatley, Chell
Dan vs Aperture Laboratories, a Dan vsPortal Crossover by artistwithouttalent reviews
Dan seeks vengeance on the applied science company after they cheat him out of a portal device.
Crossover - Portal & Dan Vs. - Rated: T - English - Humor - Chapters: 6 - Words: 5,192 - Reviews: 13 - Favs: 8 - Follows: 9 - Updated: 1/22 - Published: 7/21/2013 - GLaDOS, Dan, Elise, Chris
Social Encounter by Weezel Soup reviews
She fought and struggled until she'd gotten out and she's made it through. She even got people that she could call friends, friends that need her to fight with them. It seems manageable because now, she isn't alone. That also makes it much harder. T to be safe and some language
Crossover - Half-Life & Portal - Rated: T - English - Adventure/Friendship - Chapters: 5 - Words: 9,469 - Reviews: 4 - Favs: 5 - Follows: 11 - Updated: 1/6 - Published: 6/28/2012 - Chell
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