Chell finds the perfect way to play with GLaDOS: A device that triggers instant testing euphoria. A smutty one-shot!

Wheatley is completely in control of the Enrichment Center, and with nothing else to do, he decides to replace the only friend he's ever had. Or maybe she's more than that. Takes place during "The Fall".

When GLaDOS accidentally fills all of Aperture with a blizzard, Chell convinces her to take the day off! What do the inhabitants of Aperture get up to on a snow day?

GLaDOS and Chell have been experimenting with bondage and denial, leaving Chell nearly out of her mind with arousal. And of course, Wheatley picks the worst possible time to try and apologize for being evil. Smutty one-shot!

GLaDOS denies that her humanoid roots would lead to sexual arousal. Chell disagrees. Strenuously.

Takes place after Portal 2. GLaDOS fantasizes about what it would be like to have a bipedal body, Chell wanders the outside world and wonders why she was set free, and meanwhile, there's something moving through the dark...

A series of short little Chell/GLaDOS one shots, showing off their adorable domestic life in the heart of Aperture! Feel free to leave prompts for more!

GLaDOS and Chell have a bit of a... complicated relationship. GLaDOS extorts some testing, Chell extorts some favors, and meanwhile, sexual tension runs wild! A GLaDOS/Chell fic!

In the abandoned tunnels of Aperture, ATLAS and P-Body may have found what they finally need to speak. And hey, even if it doesn't work out, there's still plenty of sexual tension to go around! ATLAS/P-Body, with a special appearance from Wheatley!

GLaDOS has been invited on to a date with Chell! That can't possibly go wrong. Features Chell/GLaDOS as the starring attraction, with a healthy serving of ATLAS/P-Body as an appetizer!