Is a good price, next best over £4.
Description for Puzzler Sudoku (PC) (Video Games)
Sudoku is a fascinating puzzle game that's taken the world by storm in 2005. Puzzler Sudoku is packed with 1,000 Sudoku puzzles of varying degrees of difficulty, all in an easy to use format, with the facility to print out so you can continue puzzling while travelling.
The beauty of the puzzle is that the principle of solving is incredibly simple. All you have to do is fill in the grid so that every row, column and 3x3 box contains the numbers 1 to 9. The word 'sudoku' means 'the number that is single', and the same number cannot appear twice in any row, column or 3x3 box.