If you like IsThatAFactor.com, and would like to make a contribution to help keep it up and running, please use the Donate link provided. We rely almost exclusively on the contributions of our users to cover all website expenses, including hosting, updates, maintenance, and puzzle development. We greatly appreciate and thank you for your patronage, and your support!

We appreciate any donation of $1 or more that you may wish to make.

Clicking the "Donate" button below will open our contribution page.