Portal Crossovers
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Nebula by ProtegoMaximaMyHeart reviews
Wheatley has found someone else to talk to besides the Space Core.
Crossover - Doctor Who & Portal - Rated: K - English - Humor - Chapters: 1 - Words: 1,808 - Reviews: 4 - Favs: 17 - Follows: 6 - Published: 3/23/2012 - Rose T., Wheatley - Complete
Soul Portal by Ezio-FMAssassin reviews
After losing his job and being unable to pay his child support, Siegfried finds a job at the world's strangest companies.. Chapter 2 finished Please R&R
Crossover - Soul Calibur & Portal - Rated: M - English - Parody - Chapters: 2 - Words: 1,273 - Reviews: 8 - Favs: 3 - Follows: 4 - Updated: 3/18/2012 - Published: 2/11/2012
My Little portal by Russia1815 reviews
A pony wakes with a gun and a prayer in this exciting tale of action, kidnap, and testing
Crossover - My Little Pony & Portal - Rated: T - English - Horror/Mystery - Chapters: 1 - Words: 389 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 3/15/2012 - Twilight Sparkle, GLaDOS
Time for cake? by TheDrumming reviews
the walls between universes once again allow the TARDIS to unwillingly shoot through them, however, this time the TARDIS breaks down in an underground testing facility known only as "Aperture Laboratories"
Crossover - Doctor Who & Portal - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 4,667 - Reviews: 4 - Favs: 5 - Follows: 12 - Updated: 3/14/2012 - Published: 2/29/2012 - 11th Doctor, GLaDOS
Le Pull Compagnoncube by corbeauprophet reviews
John a un nouveau pull qui ne plait pas vraiment à Sherlock...
Crossover - Portal & Sherlock - Rated: K+ - French - Humor - Chapters: 1 - Words: 865 - Reviews: 4 - Favs: 3 - Follows: 1 - Published: 3/10/2012 - John W. - Complete
Your Precious Moon by Dragon's top hat reviews
Princess Luna was banished to the moon for becoming evil and mad with power when nopony appreciated her. Wheatley was sent to the moon when he became corrupt and mad with power. Perhaps the two lunar bound can learn from one another?
Crossover - My Little Pony & Portal - Rated: K+ - English - Friendship/Hurt/Comfort - Chapters: 3 - Words: 3,606 - Reviews: 15 - Favs: 35 - Follows: 33 - Updated: 2/29/2012 - Published: 2/20/2012 - Princess Luna/Nightmare Moon, Wheatley
Portal: Truth or Dare by FeeptheNinja reviews
We-me, Rishi, William, Arya, and A.J.- have trapped the Portal characters in a room together... and are ready for a game of TRUTH OR DARE! Accepting Dares, Truths, and OC's, so come on down and help us torture the Portal characters!
Crossover - Pokémon & Portal - Rated: T - English - Humor - Chapters: 6 - Words: 12,687 - Reviews: 100 - Favs: 25 - Follows: 31 - Updated: 2/27/2012 - Published: 7/11/2011
Those Portals by Morlimox reviews
Request. After finally escaping Aperture Science Laboratories, Chell finds herself being taken in by strange, color-biased mercenaries. This story documents her adventures with them. Maybe a little romance in the future Reviews much appreciated
Crossover - Portal & Team Fortress 2 - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 1,653 - Reviews: 13 - Favs: 20 - Follows: 26 - Published: 2/27/2012 - Chell
My Little Portal by The2Deuce reviews
An average pony wakes up to find himself in the demented ratmaze of Aperture. Note: you may want to beat Portal Two before reading. Spoilers ahead.
Crossover - My Little Pony & Portal - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 1 - Words: 11,563 - Reviews: 4 - Favs: 10 - Follows: 5 - Published: 2/25/2012 - Princess Celestia, GLaDOS - Complete
Thinking with Town Portal by Hawki reviews
Oneshot: Whether it be the depths of Aperture or the Tristram Cathedral, one must always be ready to think with portals. Otherwise...well, suffice to say, Diablo wasn't the only evil megalomaniac in the universe...
Crossover - Diablo & Portal - Rated: K+ - English - Humor/Fantasy - Chapters: 1 - Words: 502 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 2/25/2012 - Diablo, Rogue, GLaDOS - Complete
Ponies with Portals 1 by theultimatebrony reviews
We find out what our little lab rat has been doing today. - GLADoS
Crossover - My Little Pony & Portal - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 633 - Reviews: 2 - Favs: 2 - Follows: 3 - Published: 2/21/2012 - Chell
Portal Time by NarwhalMaster94 reviews
Finn and Jake face off against a potato, two robots take our heroes identities, and could there be another human? Everything changes when Finn and Jake take a trip down an elevator shaft.
Crossover - Portal & Adventure Time with Finn and Jake - Rated: T - English - Chapters: 1 - Words: 184 - Reviews: 2 - Favs: 3 - Follows: 2 - Published: 2/19/2012
Chapter 2 of Portal : Phineas and Ferb style by sunfluffers reviews
Sorry guys, I have a disease now as writer's block. It occurs every once in a while, but only will happen when I try to write a story.
Crossover - Portal & Phineas and Ferb - Rated: K - English - Chapters: 2 - Words: 711 - Reviews: 4 - Favs: 4 - Follows: 4 - Updated: 2/12/2012 - Published: 2/6/2012 - GLaDOS, Phineas - Complete
Science and Deduction by Cola Karmon reviews
Sherlock has been wandering the Aperture Science Testing Facility for a few days now. What's he to do when the A.I. GLaDOS suddenly introduces a new factor to his testing? A companion: John Watson. Warnings for language and violence.
Crossover - Portal & Sherlock - Rated: T - English - Friendship/Humor - Chapters: 1 - Words: 1,178 - Reviews: 15 - Favs: 33 - Follows: 44 - Published: 2/11/2012 - GLaDOS, Sherlock H.
Welcome to Aperture, Teto! by NekoOtakuStar reviews
GLaDOS is bored and decides to test on an android. What happens when that android is Kasane Teto? One-shot.
Crossover - Portal & Vocaloid - Rated: K - English - Humor - Chapters: 2 - Words: 446 - Reviews: 4 - Favs: 5 - Follows: 3 - Updated: 2/4/2012 - Published: 9/9/2011 - GLaDOS, Teto K. - Complete
PortEd by rcmero reviews
Edd is a test subject at Aperture Science and Ed and Eddy must save him. This is my first fanfic. Rewritten with help from Yoshermon. OLDFIC
Crossover - Ed, Edd n Eddy & Portal - Rated: K+ - English - Parody/Sci-Fi - Chapters: 12 - Words: 17,471 - Reviews: 25 - Favs: 55 - Follows: 27 - Updated: 2/1/2012 - Published: 9/6/2009 - Edd, Weighted Companion Cube - Complete
Supernatural Science by vampiresquid42 reviews
Dean and Sam investigate a series of kidnappings in the area surrounding the supposedly shut-down Aperture Science Laboratories. Spoilers for ending of Portal 2.
Crossover - Supernatural & Portal - Rated: K+ - English - Humor/Mystery - Chapters: 1 - Words: 2,107 - Reviews: 7 - Favs: 20 - Follows: 12 - Published: 1/27/2012 - Sam W., Chell - Complete
Thinking With Aperture Plasmids by Diable Oni Giri reviews
A/U SPOILERS for Portal 2. Rhapsody Science, creator and distributor of all things plasmids. At least it was until Rapture fell...as did Rhapsody. Overrun and falling apart, Chell is awakened from stasis for one purpose: escape. If only it was so simple.
Crossover - BioShock & Portal - Rated: M - English - Suspense/Horror - Chapters: 9 - Words: 23,262 - Reviews: 36 - Favs: 55 - Follows: 71 - Updated: 1/24/2012 - Published: 6/2/2011
Designed for Danger by WibSkelDS9 reviews
A what-if, role-switching story involving a physicist and the core that would try to kill him.
Crossover - Half-Life & Portal - Rated: T - English - Adventure/Humor - Chapters: 3 - Words: 4,473 - Reviews: 3 - Follows: 4 - Published: 1/24/2012 - Gordon F., Adventure Core
The Crazy World We Live In by kaimuki wahine reviews
Chell is freed from Aperture but she still has to fight for her own survival. But this time, she is not alone. Has all the characters from L4D2
Crossover - Portal & Left 4 Dead - Rated: T - English - Adventure - Chapters: 1 - Words: 2,218 - Reviews: 17 - Favs: 26 - Follows: 28 - Published: 1/23/2012 - Chell
Critical Innocence Failure by PKBlackTornado reviews
"YOU GOT YOUR TOUHOU IN MY PORTAL!" "NO, YOU GOT YOUR PORTAL IN MY TOUHOU!" Written on a whim at 9 PM.
Crossover - Portal & Touhou Project - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 798 - Reviews: 5 - Favs: 9 - Follows: 12 - Published: 1/22/2012 - GLaDOS, Yuka K.
Chart the Stars by Paradoxygen reviews
SEQUEL to Immune. A Young boy takes off on a heroic journey to track down his mother and solve the mystery she left behind. With a world left with so few people, just who was she trying to save? M for language.
Crossover - Portal & Left 4 Dead - Rated: M - English - Mystery/Adventure - Chapters: 2 - Words: 6,098 - Reviews: 2 - Follows: 2 - Published: 1/21/2012
Many Unhappy Returns by SteelSeeker reviews
Didn't I tell you that I was the only thing standing between us and them? Shortie piece based off of a joke I used to troll my friends with. Bad title is bad.
Crossover - Portal & Left 4 Dead - Rated: K - English - Chapters: 3 - Words: 2,611 - Reviews: 5 - Favs: 16 - Follows: 7 - Updated: 1/17/2012 - Published: 1/3/2012 - Complete
When Voldemort Meets GLaDOS by Avery Liddell reviews
Voldemort doesn't know how he turned up here, but he doesn't like the sound of that voice taunting him for being an orphan. GLaDOS realizes that humans die the same. Total crack.
Crossover - Harry Potter & Portal - Rated: K+ - English - Humor - Chapters: 1 - Words: 1,692 - Reviews: 26 - Favs: 113 - Follows: 40 - Published: 1/15/2012 - Voldemort, GLaDOS - Complete
Combustable Lemons by xXKatnissXx reviews
My one-shot story based on Combustible Lemons and Aperture's rivalry with Black Mesa. Was originally my warm-up for english class. Rated T for a purposeful explosion. Hopepfully, you will laugh just like I did!:D
Crossover - Half-Life & Portal - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 239 - Reviews: 10 - Favs: 2 - Follows: 1 - Published: 1/15/2012 - Cave Johnson - Complete
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