Batman and Portal Crossovers
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Cake or Death? by Checkerboards reviews
The Riddler finds himself locked in the Aperture Science Enrichment Center. Crossover with the video game Portal.
Rated: T - English - Humor/Adventure - Chapters: 8 - Words: 18,076 - Reviews: 35 - Favs: 36 - Follows: 4 - Updated: 7/30/2008 - Published: 5/20/2008 - Edward N./The Riddler, GLaDOS - Complete