2.1.5
2017-10-06
This app has been updated by Apple to display the Apple Watch app icon.
Many apologies to our friends on smaller screens. This update should resolve the crashes you experienced with the last update.
2.1.4
2017-10-05
This update brings minor UI improvements and layout tweaks to properly support the iPhone X.
2.1.3
2017-09-26
This update fixes a crash when trying to remove ads on certain devices. We really do appreciate those of you who were trying to give us money ;)
2.1.2
2017-09-16
This update improves UX on iPhone SE and iPad Pro 12.9 inch, and disables the undo button after solving a puzzle. We're not really sure why you'd ever want to redo the same puzzle again ;)
2.1.1
2017-09-04
This update fixes several bugs that can arise when starting a new puzzle, and adds support for additional device orientations.
2.1
2015-03-12
Minor bug fix for the undo feature.
2.0
2015-02-28
* Undo and redo, so you can try an idea without fear of getting lost
* Minor UI improvements
1.6
2014-10-06
Updated for the Retina HD display sizes (iPhone 6 and 6 Plus)
1.5
2013-09-18
* Redesigned UI, optimized for iOS 7
* Automatic progress saving; when you need to leave the game, it is automatically paused and you can come back days later to resume your game!
1.4
2013-01-22
* Option to remove ads
1.3
2012-09-24
iPhone 5 retina screen support
1.2
2012-08-22
Highlighting of errors after the puzzle is completely filled in.
1.1
2012-02-14
Bug fix to prevent leaderboard cheating.