- Site Description

BrainDen is a vivid website devoted to fun and mental stimulation. We have over 10,000 brain teasers and new ones are submitted by our users each day. We have also large collection of interesting optical illusions, paradoxes, games and jokes.


BrainDen attracts more than 14,000 visitors each day with around 60,000 page views daily. We have international audience (majority from US, UK and Canada) mostly with college or higher education.


We can set up a campaign to fit your very needs. For instance, your 336x280 banners can be placed on premium places across BrainDen using cost-per-click (CPC) model. Specific CPC terms and conditions can be agreed on individual basis. Daily reports including all details (impressions, clicks etc.) will be automatically sent to you. Serving and tracking of ads will be provided by Google AdManager (DoubleClick for Publisher Small Business by Google). Don't hesitate to set up your advertising campaign on BrainDen by sending us your requirements.
DoubleClick Ad Planner Badge

Contact BrainDen

Image Verification
CAPTCHA random picture
Please enter the text from the image

Refresh Image
What's This?

Have you seen our collection of Optical Illusions yet?

If you like these brain teasers then feel free to share them with your friends.