Transformers/Beast Wars and Ben 10 Crossovers
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Purple VS Green by TheSealer reviews
Evil versus Evil showdown! Ben Tennyson, the ruthless Overlord of the Universe battles his old nemesis, Sari Sumdac, the techno-organic girl powered by the Allspark. It's a showdown with twists and more twists, pain and a lot of hate! Which teenage ruthless villain shall walk away alive?
Rated: K+ - English - Sci-Fi - Chapters: 2 - Words: 5,828 - Reviews: 2 - Follows: 1 - Updated: 4/15 - Published: 4/11 - Sari S., Ben T.
Plumber Brat by Kye-kye cat reviews
The Darby family aren't what they seem as the gang is about the find out. Get ready for some alien action as the Plumber's Brats team up to help the Autobots. And some BAMF!June on the horizon.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 3,485 - Reviews: 23 - Favs: 27 - Follows: 25 - Updated: 4/14 - Published: 1/17 - Jack D., June D., Tetrax S., OC
Ben 10: Prime Force by Ultimate10 reviews
Ben, Gwen, and Kevin get sucked into another universe. While there they get mixed up in an eon long war between sentient, transforming robots from another planet. Will they join the Autobots and help them save the world from the Decepticons, MECH, and a certain archenemy of Ben's? BenXArcee
Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 227,295 - Reviews: 402 - Favs: 222 - Follows: 185 - Updated: 3/11 - Published: 7/15/2013 - Arcee, Ben T.
In a World Similar to my Own by Nexia Jazilynn Prime reviews
When the universe of Ben10 collapses the few survivors are transported to a universe similar to their own. It has a few differences however (such as them being 200 years in the past) and they have to learn to survive now that they're in a new world.
Rated: T - English - Chapters: 6 - Words: 6,041 - Reviews: 10 - Favs: 9 - Follows: 9 - Updated: 3/1 - Published: 8/23/2013 - OC
An Alien Uprising by Temporal Freeze reviews
When ben finds the omnitrix in the transformers prime universe, he gains the ability to turn into aliens and must learn to use them and save the world from a threat greater than evil itself. I will design my own aliens and in this ben, gwen and kevin are the ones from alien force.
Rated: T - English - Sci-Fi/Romance - Chapters: 2 - Words: 3,572 - Reviews: 7 - Favs: 9 - Follows: 10 - Updated: 6/25/2013 - Published: 5/24/2013 - Arcee, Ben T.
Ben 10 Prime by I'm Yu reviews
When Arcee doesn't arrive in time during the events in 'Predatory', Jack is forced to reveal a secret even the Autobots didn't know. Turns out Jack isn't as human as everyone thought.
Rated: T - English - Adventure - Chapters: 3 - Words: 5,713 - Reviews: 50 - Favs: 76 - Follows: 83 - Updated: 3/9/2013 - Published: 2/20/2012 - Jack D.
Love is like a roadtrip by Speedygal reviews
A short story between BenXSari Sumdac. :) Enjoy.
Rated: T - English - Chapters: 1 - Words: 547 - Reviews: 2 - Published: 1/25/2013 - [Sari S., Ben T.] - Complete
The love has just begun by Speedygal reviews
Shipping of: OV!Ben X TFA!Sari Do you ever wonder if two people who happen to be heroes and appear to be humans when they are not needed? Do they blend into the local appearance of everyday people with the slightest differences? Of course. Meet Ben Tennyson,Wielder of the Omnitrix;and Sari Sumdac,Techno-Organic friend to the Autobots. And they just happened to fall in love.
Rated: K+ - English - Romance/Drama - Chapters: 8 - Words: 5,984 - Reviews: 9 - Favs: 8 - Follows: 4 - Updated: 11/16/2012 - Published: 10/9/2012 - [Sari S., Ben T.] - Complete
Ben 10, The Return by MetroXLR99 reviews
AU, an Old Friend from the past returns to Bellwood after being missing Five Years.. but, the news of Gwen dating Kevin proves Too Much for the boy. Can Gwen make a decision soon before her indecision leads to the destruction of the entire universe? and, what IS this 'Planet Cybertron?" and, how does Azmuth not know of it! GwenxOC. XOver
Rated: T - English - Angst/Sci-Fi - Chapters: 2 - Words: 12,221 - Reviews: 3 - Favs: 6 - Follows: 5 - Updated: 11/13/2012 - Published: 11/6/2012
Emotionless by MetroXLR99
Gwen laments over her old child friend removing his emotions due to her dating Kevin and his own feelings for her. then, something terrible and unbelievable happens. TF Xover, GwenxOC
Rated: T - English - Angst/Romance - Chapters: 1 - Words: 3,031 - Favs: 2 - Follows: 1 - Published: 10/13/2012 - Gwen T. - Complete