Blog posts with problems to get your brain going! You get a new problem every fortnight and the solutions are published later.

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_{You may notice some problems are missing... I'm still migrating articles from my old blog.}

Two doors, one gives you eternal happiness and the other eternal sadness. How can you pick the correct one?

Syncro is a beautiful game where you have to unite all the petals in a single flower. In how many moves can you do it?