A new logic puzzles magazine published in the USA? An original puzzle concept invented in Japan? Stay on top of the latest world wide logic puzzle developments brought to you by Conceptis’ international team.
December 21, 2021
Merry Christmas and Happy New Year 2022 from all of us at Conceptis! Here is a free Christmas Sudoku puzzle for you to enjoy. Like our small Christmas present? Let us know through our Facebook, Instagram or Twitter, or just share this page...>>
April 28, 2021
Autofill pencilmarks, a new feature allowing automatic pencilmark management in Conceptis Sudoku and Kakuro for desktop, now make these puzzles more fun than ever. To use this feature refresh your browser and tap the Autofill pencilmarks button on...>>
February 11, 2021
Wishing all our members a happy Valentine's Day with some free Heart-Sudoku puzzles which you can download, print, and share with your loved ones. If you like our small present then please let us know through our Facebook, Instagram or...>>
October 12, 2020
Autofill pencilmarks, a new feature allowing automatic pencilmark management in Conceptis MultiSudoku, SumSudoku and Kakuro mobile apps, is now available. To use the new feature, update your iOS and Android apps and tap the Autofill pencilmarks...>>
October 05, 2020
Autofill pencilmarks, a new feature allowing automatic pencilmark management in Conceptis Sudoku apps for iOS and Android, is now available. To use this feature, update Conceptis Sudoku app and tap the Autofill pencilmarks button on the game...>>
September 20, 2020
2-Grid Combo volumes, a new type of MultiSudoku puzzles for mobile, pairing different combinations of Diagonal, Irregular, OddEven and Classic Sudoku, are now available. Adding more challenges and fun, 2-Grid Combo puzzles are a true celebration for...>>
December 19, 2019
Merry Christmas and Happy New Year 2020! Here is a free Christmas Sudoku puzzle from all of us at Conceptis - download and print on paper or solve online right here on this page. Like the puzzle? Let us know through our Facebook, Instagram or...>>
August 26, 2018
Conceptis SumSudoku, an addictive Sudoku variation also known as Killer Sudoku, is now available on Google Play.>>
May 31, 2018
Conceptis MultiSudoku, an addictive puzzle game providing 4 challenging Sudoku multi-grid variations in a single app, is now available for Android smartphones and tablets.>>
November 23, 2017
Conceptis SumSudoku, an addictive Sudoku variation also known as Killer Sudoku, is now available for iPhone and iPad.>>
August 09, 2017
Conceptis MultiSudoku, a mobile puzzle game providing 4 challenging Sudoku multi-grid variations in a single app, can now also be played on iPhone devices.>>
February 16, 2017
Conceptis MultiSudoku for iPad, a new puzzle game providing 4 challenging multi-grid variations in a single app, is now available on the App Store.>>
