Play any challenge which is online available (see below in the checklist). Each Friday there will be a new one.
Use the checklist and tick your boxes which challenges you already solved.
Or just use the indicated link to go to the desired challenge.
If you are faster than we can produce challenges - please return to the announced date (see below).
The lottery for the prizes is 25 November, so you will have at least 2 months time to catch up, no matter when you started.
After submitting, jump to the top of the page/iframe
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(If submitting of answers doesn't work, please click also on the link, it might be that Google asks for a reCAPTCHA.)