Problems

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

If you want the problems delivered to your inbox be sure to subscribe to the Problems newsletter.

The next problem is scheduled for late June.

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

You are on vacation and must find the most efficient way to cross all bridges. How will you do that?

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?

Gandalf has some Hobbits to appease but his task seems to go on forever. Can you give him a hand..?