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Invader Zim and Undertale Crossovers
2 UnderZim » by EpicFangirling An Undertale Au with the Invader Zim characters. Zim must make it to the end of the Underground to save his leaders!
K+, English, Humor & Adventure, chapters: 3, words: 691, follows: 5, updated: 7/17/2017 published: 3/9/2017, Zim
2 What Lies Beneath by Keybladegirl17 Zim Falls into the Underground and it doesn't end well for him. Meanwhile Dib is trying to fine out where Zim has gone for the last few weeks. Rated T for now...and Possibly ZADF. Story By: Aqua-Healer Art by: Keybladegirl17 Both are on DeviantArt
T, English, Adventure, words: 288, favs: 3, follows: 5, 1/27/2016
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