Ben 10 and Mass Effect Crossovers
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Ben 10: Ultimate Effect by Judge Royce reviews
Ben Tennyson has done many amazing and impossible things during his hero career. But saving an alternate reality from a race of genocidal machines? That's a new one.
Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 42,375 - Reviews: 247 - Favs: 318 - Follows: 331 - Updated: 2/15 - Published: 3/2/2013 - Ben T.
Mass Effect: Alien Force by edboy4926 reviews
Shepard receives the unexpected help of two beings from another dimension. How will the arrival of the Tennysons affect the ME Universe? F-Shepard/Joker, Ben/Gwen
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 2,850 - Reviews: 20 - Favs: 32 - Follows: 39 - Updated: 6/22/2012 - Published: 5/6/2012 - [Ben T., Gwen T.] [Shepard (F), Joker]