The site
Brainbench.com , which is engaged in on-line certification, has launched Bench Games today, which for mere mortals means the ability to pass any tests for free (and there are about 600 of them there). Yes, this does not apply to paper versions of certificates, so if you want to get your genius in a persistent form, then you still have to give them money.

I am well aware of the limitations of any formal methods for evaluating specialists, but, you see, sometimes it is very interesting to measure something. As far as I remember, the last time such an event was held by the site
brainbench.com about 5 years ago, after that, they periodically made part of their exams free (which is also good), but now you can try your hand even in the fact that “not I knew, I knew, but I forgot, or, generally, what the hell is that, but I still wonder.
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In general, let the game begin.
ZY This good has started today and will last until March 9th.
UPDATE: I xs, how to give a direct link to all the tests, it seems, to go through it you must first login to the brainbench. In general, here is the
link to all the tests . If you fail to follow the link, then log in, and then here: Skills Center> Test Center> All Tests.