Online Sudoku - Load / Restore
The board can be converted into text strings, so if you want to save a game, copy-paste its associated string in a safe place (or email it to yourself or to one of your friends); game restoration can be realized based on them.
Online Sudoku - The Rules
Here you can play, on the web, Sudoku puzzles online.
The 9x9 grid
The aim of a Sudoku puzzle is
Every puzzle has a unique solution.
There are no daily puzzles because you can generate a new one by clicking the desired difficulty level.
Goobix in BA, CN, CZ, DA, DE, EL, ES, ET, FI, FR, GA, HI, ID, IS, IT, JA, KO, LT, LV, MT, NL, PL, PT, RO, RU, SL, SO, SQ, SV, SW, TL, TR, UK, VI, ZU