Online Calcudoku Puzzles
Unlock subscriber puzzles by posting about Calcudoku!
Write a post about the Calcudoku site on a social network and unlock the two subscriber-only puzzles
for one week!
It's easy:
post about Calcudoku on a social network where you have at least 50 followers
submit the link to the post below
I'll look at the post and will unlock access to the two subscriber-only puzzles for your account for one week!
... (etc.)
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