StarTrek: The Original Series and Portal Crossovers
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Portal to Deceptions by LittleSpringroll
It's Portal. It's Star Trek. What more could you possibly ask for? Follow Captain Kirk, Saavik and the Enterprise crew as they chase through the galaxy after an evil computer who's kidnapped - you guessed it - Spock! Encounter old friends like Chell, new friends like Sophe and…Turrets. Also, the Companion Cube's got a nasty little secret; or does it?
Rated: T - English - Adventure - Chapters: 1 - Words: 5,446 - Favs: 1 - Follows: 1 - Published: 11/27/2013 - Saavik, Chell
The Eccentric Delusion by PlotbunnyChariot reviews
Kirk wakes up to find certain things changed aboard the Enterprise. He can't speak anymore and the Bridge crew are acting incredibly odd...and then he realizes that this is no game; his life could be at stake. What is happening to everyone, and what will Kirk do? Read on to find out! Full of drama and hilarity at the same time. :)
Rated: K+ - English - Chapters: 3 - Words: 5,392 - Reviews: 5 - Favs: 3 - Follows: 2 - Updated: 7/12/2013 - Published: 6/4/2013 - J. Kirk
Test Subjects by MechaMax reviews
Checking out a deserted planet turns into something completely different when they found themselves inside of a building with a computer that greets them. "Welcome to the Aperture Science Computer-Aided Enrichment Center. May the testing begin."
Rated: T - English - Sci-Fi/Friendship - Chapters: 1 - Words: 6,114 - Reviews: 1 - Favs: 9 - Follows: 2 - Published: 6/2/2013 - J. Kirk, Spock, GLaDOS - Complete