Tic-Tac-Logic: X or O?

Tic-Tac-Logic: X or O?

By Conceptis Ltd.

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Fill all squares so there are no extra than two adjoining X's or O's in a row or column! Each puzzle consists of a grid containing X's and O's in various places. The object is to put X or O in remaining squares so there are not extra than two consecutive X's or O's in a row or a column, the variety of X's is the same because the number of O's in each row and every column, and all rows and all columns are unique.

Conceptis Tic-Tac-Logic is a single-player puzzle based on Tic-Tac-Toe, a pencil-and-paper sport many people used to get pleasure from as youngsters. Using pure logic and requiring no math to resolve, these addictive puzzles offer endless fun and intellectual entertainment to puzzle followers of all abilities and ages.

The game contains a ruler to assist viewing and evaluating rows or columns, counters to point out how many X and O there are in every row and column, and pencilmarks to position momentary X or O when fixing very hard puzzles.

To help see the puzzle progress, graphic previews within the puzzle listing present the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a bigger format.

For extra enjoyable, Conceptis Tic-Tac-Logic includes a Weekly Bonus section offering an extra free puzzle every week.


• 90 free Classic Tic-Tac-Logic puzzle samples

• 30 extra-large puzzles bonus for pill only

• Extra bonus puzzle published free each week

• Multiple difficulty levels from very simple to extraordinarily hard

• Puzzle library repeatedly updates with new content

• Manually selected, top of the range puzzles

• Unique answer for every puzzle

• Hours of intellectual problem and fun

• Sharpens logic and improves cognitive skills


• Unlimited verify puzzle

• Unlimited Undo and Redo

• Pencilmarks for solving exhausting puzzles

• Ruler for straightforward row/column viewing and comparing

• Row and column counter boxes

• Concurrently enjoying and saving multiple puzzles

• Puzzle library sorting and hiding options

• Graphic previews showing puzzles progress as they're being solved

• Portrait and panorama display assist (tablet only)

• Track puzzle solving times

• Backup restore puzzle progress to Google Drive


Tic-Tac-Logic have also become in style under other names corresponding to Binero, Binaire, Binairo, Binoxxo, Noughts and Crosses and Takuzu. Similar to Sudoku, Kakuro and Hashi, the puzzles are solved using logic alone. All puzzles on this app are produced by Conceptis Ltd. - the leading provider of logic puzzles to printed and digital gaming media all around the world. On common, greater than 20 million Conceptis puzzles are solved every day in newspapers, magazines, books and on-line as well as on smartphones and tablets across the world.