RULES AND FEATURES
Frankly, the reason for the inclusion in the name of the abbreviation 3D is not clear as externally in this Sudoku no signs of volume is not observed. Perhaps the philosophy of the puzzle involves the activation of a 3D thinking.
Overall, puzzle is a traditional Sudoku with square 9 by 9. All of the same nine small squares by 9 cells in each, make one big square. To solve the puzzle you should find the correct figure for each cell. According to the rules, no number in a small square should appear more than once. The same applies for large columns and rows — each number in each row and column must be unique, i.e. not be repeated.
For setting the numbers in a cell you must select it in the lower digital number (1 to 9), and then click the square you want to put it. Game time is not limited, but statistics are kept.
This Sudoku can print, clicking on the Print button (bottom). Puzzle difficulty is chosen before the game. There are 4 options: easy (Easy), (Medium), difficult (Hard) and very hard (Very hard) — choose the desired level depending on Your training.
You can play the game 3D SUDOKU online 24 hours a day for free. It is no need to download and install it on your computer, and it is also not required you to be the registered user. Just ckick and enjoy. See also a set of related games below on that you might be interested to look.