43 Cake or Death? » by Checkerboards
The Riddler finds himself locked in the Aperture Science Enrichment Center. Crossover with the video game Portal.
T, English, Humor & Adventure, chapters: 8, words: 18k+, favs: 56, follows: 8, updated: 7/30/2008 published: 5/20/2008, Edward N./The Riddler, GLaDOS