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Now You're Thinking with Real Science
by Jaywings reviews
A former test subject, now free, takes up residence in a strange town where almost nothing is considered abnormal. A year later, a young paranormal enthusiast spots two odd new satellites orbiting the moon and immediately makes plans to bring them to Earth, firmly believing that the two metal spheres are alien in origin. Because, after all, what else could they possibly be?
Crossover - Invader Zim & Portal - Rated: T - English - Adventure/Friendship - Chapters: 25 - Words: 188,081 - Reviews: 136 - Favs: 142 - Follows: 157 - Updated: 5/15/2019 - Published: 8/6/2013 - Zim, Dib, GLaDOS, Wheatley
Harry Potter and the Methods of Rationality
by Less Wrong reviews
Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... COMPLETE.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 122 - Words: 661,619 - Reviews: 35249 - Favs: 25,641 - Follows: 19,020 - Updated: 3/14/2015 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
by wafflestories reviews
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…
Portal - Rated: T - English - Chapters: 15 - Words: 169,766 - Reviews: 1166 - Favs: 3,219 - Follows: 1,030 - Updated: 4/1/2012 - Published: 10/3/2011 - Wheatley, Chell - Complete
Quest of Memories
by EternalFluffy reviews
Post JoD, AUish. Now free of Wizeman's control, Reala discovers his true purpose as guardian of the Waking World. And when one teenage girl in Bellbridge decides to take his hand...her life will never be the same again. Art by lacewing
NiGHTS - Rated: T - English - Adventure/Friendship - Chapters: 12 - Words: 163,892 - Reviews: 122 - Favs: 78 - Follows: 22 - Updated: 5/19/2009 - Published: 3/20/2008 - Reala - Complete
Mad World reviews
Group projects are the worst- especially when you're partnered with your alien nemesis. But when Dib uncovers disturbing ties between his reoccurring nightmares and the homicidal maniac they are researching, he is thrown into the most dangerous battle of his life. At least he'll have some help from an unexpected new ally. Hey, what kind of name is Nny anyway...?
Crossover - Invader Zim & Johnny the Homicidal Maniac - Rated: T - English - Mystery/Horror - Chapters: 19 - Words: 83,984 - Reviews: 80 - Favs: 33 - Follows: 15 - Updated: 11/3/2017 - Published: 9/1/2017 - Zim, Dib, Johnny C., Squee C. - Complete