Challenge 1
Ben 10 Marvel/DC Crossover Challenge
When Ben finds the Omnitrax, instead of turning him into different aliens it turns him into different heros and/or heroines.
Rules:
Starts at canon ages
Optional: Include villains from the Marvel or DC universe to challenge Ben.
Challenge 2
Ben 10 Tomb Raider Crossover Challenge
Ben 10 loses his parents in a tragic plane accident and gets stranded on a deserted on an deserted island shortly after Lara Croft loses her parents.
Rules:
Ben/Lara Pairing
Challenge 3
Ben 10 Highschool of the Dead Crossover Challenge
Ben, Gwen, and Kevin are in Japan when the dead start attacking the living and must team up with others to survive.
Rules:
Takes place during Ultimate Alien
Have zombie aliens
Challenge 4
Ben 10 Marvel Crossover Challenge
When Ben loses everything, he is flung to the Marvel universe when he is needed most. Will he come to grip with the lose of his loved ones?
Rules:
Ben is atleast 18 years old
Ben/Carol Danvers pairing
Challenge 5
Ben 10 Overlord Crossover Challenge
After loosing their previous master, the minions summon Ben Tennyson to be their new master.
Rules:
Goodish Ben
Strong Ben
Gwen must arrive in the new world, when is up to you
Optional: Kevin appears too
Challenge 6
Ben 10 Ranma Crossover Challenge
While fighting a baddie in China, Ben falls into the spring of the drowned girl.
Rules:
Takes place before the events of Omniverse
Optional: Other character(s) can fall into various springs
Challenge 7
Ben 10 Teen Titans Crossover Challenge
Six teenagers, never meant to meet, are inevitably brought together when a wayward girl from another world crashes down in Jump. After fending off an alien invasion, not fighting as six heroes, but as one team, an ex-sidekick, an extraterrestrial, a changeling, a cyborg, a mage, and a hero who lost everything. Together they each found something they were looking for, a family.