well spotted ... I am just testing several changes ...
I have moved the link to forum (on the non-forum pages, eg. http://brainden.com) to the main menu on the left ... because of low click rate on the top menu
I have made the left menu more descriptive
I have changed titles of pages ... leaving "Brain Teasers" out
I have added a few additional long tail keywords to the pages
and a few more seo improvements
still a lot of things to be done ... edits from forum to be added to the original pages, a few things were proofread, reducing size of files for faster loading, redirects from old domain, pdf with all puzzles, link building etc.