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Moleman's Epic Rap Battles 32: GLaDOS Vs SHODAN by MolemanNineThousand
In an obvious and popular matchup which I'm surprised had yet to be made as a satisfactory Epic Rap Battle, Portal's quirky antagonist goes up against the malevolent supercomputer of System Shock fame, with a surprise appearance by the most vile machine ever conceived. Video coming soon!
Crossover - Portal & System Shock - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 953 - Published: 5/21 - GLaDOS, Shodan - Complete
There's always you by Stuart James
Will the circle be unbroken, by and by? Multiple crossovers (seems only 2 per story here): Half Life, Singularity, Bioshock, System Shock 2, Portal. Other characters: Gordon Freeman, G-Man, Chell, Rosalind Lutece (how can there be Robert without Rosalind?), GLaDOS, Caroline, lots.
Crossover - BioShock & System Shock - Rated: K+ - English - Fantasy/Sci-Fi - Chapters: 13 - Words: 12,739 - Favs: 1 - Updated: 2/2 - Published: 1/22 - Jack R., Elizabeth, Robert L., Shodan
What Happens at Tau Ceti, stays at Tau Ceti by Bolo42
Short original fic with a nod to the events of Marathon and System Shock 2
Crossover - Marathon & System Shock - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 1,151 - Published: 12/4/2014 - Complete
Voice of the Machine by Hawki
Oneshot: "He fights quite well for an insect."
Crossover - System Shock & Dota 2 - Rated: T - English - Parody - Chapters: 1 - Words: 687 - Published: 8/23/2014 - Shodan, Omniknight - Complete
Collision Theory by Encased Key reviews
Years after the events of Marathon Infinity, Durandal struggles against TriOptimum to rediscover SHODAN who has been missing for centuries. The Security Officer finds himself caught in the crossfire and deals with his own emotions as he finds he no longer wants to be a war hero.
Crossover - Marathon & System Shock - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 1,585 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 6/12/2014
Eternal Recurrence by Courier999 reviews
Post SS2: SHODAN has attained godhood. So now what? Rated K for a little bit of swearing at the end. R&R!
Crossover - BioShock & System Shock - Rated: K+ - English - Drama - Chapters: 1 - Words: 527 - Reviews: 1 - Favs: 1 - Published: 3/28/2014
Among the SHaDOS by CLaUD-V3
To many characters to fit, so I put the description inside.
Crossover - Portal & System Shock - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 1,691 - Favs: 3 - Follows: 3 - Updated: 11/11/2012 - Published: 11/10/2012 - GLaDOS, Shodan
Kindred Systems by bentleyhacker reviews
SHODAN finds herself in Aperture after a mishap with the Von Braun's faster-than-light drive.
Crossover - Portal & System Shock - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 3,292 - Reviews: 2 - Favs: 2 - Follows: 1 - Updated: 8/21/2012 - Published: 8/19/2012 - GLaDOS, Shodan - Complete