Welcome to Jump or not!

You are on the first site searching for the opportunity to test the courage and will to act of the most famous people, in order to charity.
If you are curious as well what famous people are willing to do for a good reason, will they sweat, scream or fulfill the challenge with an impassive face: join us to let them face the challenge as soon as possible.

The list of famous people is continuously growing.
If you can't find the celebrity you are looking for, please feel free to use this page to recommend her/him to us!