Enigma10

None of these problems are computer generated: they are all lovingly created by the writer of this introduction, who is not a mathematician but who is a lover of mathematics and the harmony of numbers.

The collaborative board game for four players from which this app originated has been seamlessly adapted to suit this platform. Here, it is a game for one and, like the board game, there are no winners or losers.

When you start using the app you are sending your brain to the gym. Of course you do some warming up first. Level one and two will take care of that. You may decide to stay there. Why not? They have their own challenges.

If and when you tap the Puzzles button you take the experience to a new height.

Levels one and two will be updated periodically and the puzzles will be changed every month or so.

Needless to say, no personal data is stored by me for any third party. You don't sign in or anything. I don't know who you are. You just download the game and play!