8.2.2
2020-04-23
We have optimized the app for the latest OS.
8.2.1
2019-09-25
When you input numbers, your device will vibrate quickly.
8.2.0
2019-06-20
Performance improvements.
8.1.0
2018-08-03
We now offer an option to prevent the display of ads at the start of the puzzle. If you would like to activate this option, please follow the procedures displayed in the dialogue window that appears at the start of the puzzle.
Don't worry even if your device changes! If you have a Google account, you can now link to your Google account to transfer your data (response history, points, etc.) to another device. Linking is possible from the settings menu.