The Mail on Sunday takes reader’s favourite puzzles from print to digital – all at the touch of your fingertips. With 15 puzzles to start you off, 5 easy, 5 medium and 5 hard. Codecracker will tease your mentality acuity to the limit.

Timed puzzles means it’s you against the clock and time penalties are given for needing to use the handy reveal function.

Intuitive interface with the ability to zoom into key areas of the puzzle to make it easier to read.

Handy number line with letters to see your overall progress.

In app purchases of additional puzzles are possible in packs of 10 & 50 in 3 difficulty levels .

Key features:

* Swipe and zoom the puzzle grid
* Track and time your progress
* In app purchases for added content
* Pencil mode for sketching in answers
* Handy reveal feature
* Selectable in game music