Portal and Mythology Crossovers
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Human Emotions by xxBatteri reviews
GLaDOS gets an unexpected visit from an old friend. GLaDOS/Slender Man Contains minor spoilers.
Rated: K+ - English - Romance/Angst - Chapters: 1 - Words: 623 - Reviews: 14 - Favs: 10 - Follows: 3 - Published: 7/13/2011 - GLaDOS - Complete