4 Square Sudoku. Sudoku (数独, sūdoku, digit-single) (/suːˈdoʊkuː/, /-ˈdɒk-/, /sə-/, originally called Number Place) is a logic-based, combinatorial number-placement puzzle. Unknown squares are filled with 'candidates' - possible solutions.
Entering a number with the mouse. These printable sudoku puzzles are very easy to solve using only basic strategies, making them great sudokus for kids. Hypersudoku, Windoku, NRC-Sudoku, or Four-square Sudoku is one of the Sudoku Variations with additional constraints.
The goal is to fill all cells so that each column, each row.
Easy, medium, or hard puzzles, play them online or print them.
Compatible with all browsers, tablets and phones including iPhone, iPad and Android. These printable sudoku puzzles are very easy to solve using only basic strategies, making them great sudokus for kids. All sudoku puzzles can be printed out.