Tic-Tac-Logic rules

Conceptis Tic-Tac-Logic is a single-player puzzle based on Tic-Tac-Toe, a pencil-and-paper game many of us used to enjoy as children. Using pure logic and requiring no math to solve, these addictive puzzles offer endless fun and intellectual entertainment to puzzle fans of all skills and ages.

Tic-Tac-Logic puzzles come in many sizes and range from very easy to moderately difficult taking anything from five minutes to several hours to solve. However, make one mistake and you'll find yourself stuck later on as you get closer to the solution...

If you like Sudoku, Kakuro and other logic puzzles, you will love Conceptis Tic-Tac-Logic as well!

Classic Tic-Tac-Logic

Each puzzle consists of a grid containing X's and O's in various places. The object is to place X or O in remaining squares so:

• There are no more than two consecutive X's or O's in a row or a column.
• The number of X's is the same as the number of O’s in each row and column.
• All rows and all columns are unique.