213Redemption » by Silverstreams It is 1996. As CEO, Caroline has been slowly dragging Aperture out of bankruptcy. When twelve-year-old Chell and her mother move to town, Chell is planted in Aperture as part of a larger Black Mesa plot. When she gets an opportunity to smuggle out portal gun blueprints, Chell and her unlikely new friend Doug learn how far Caroline is willing to go to protect Aperture's last secret.

229The Human Vault » by TheScienceOwl GLaDOS and Caroline have formed an unlikely allegiance, and together test with the humans from the long lost vault. One Test Subject, however, leads to a terrible discovery, and the dark secrets of Aperture's past are revealed, as is its darker future.

157 The Chat(s) » by Nym P. Seudo Time is a capricious thing. Given enough of it, a child can become a demon. So, does it work the other way around? As the strange eons march by, can a demon cobble together humanity from scraps and spare parts? Or is it just a game to pass the time?

423 Hell or High Water » by JenovaII Reluctantly, Chell returns to Aperture. Turrets call out to her, and GLaDOS is missing. A locked room holds the answer - but is it a trap?

1k+ Blue Sky » by wafflestories Meteors, signals, apologies, and that tricky little thing called humanity- four years after the events of Portal II, Wheatley's been handed a second chance, but it's not going to be plain sailing…

352 Strange Bedfellows » by Pandora.Writing When Black Mesa infiltrates Aperture and tears GLaDOS apart, Chell is forced to work and live with the volatile AI who has placed herself in an android body. They embark on a tentative relationship under the watchful eye of Doug Rattmann.