KenKen is a grid-based game similar to Sudoku. The main difference is that KenKen requires arithmetic to solve. The aim is to fill in the blank cells in a grid using only certain numbers. For example, in a 44 grid, you can only use numbers 1, 2, 3, and 4.

Product details. Jigsaw Sudoku, known as Geometric Sudoku shares the same rules as a regular Sudoku puzzle, with the only difference being the fact that Jigsaw Sudoku has irregular shaped blocks as opposed to the 3x3 square blocks in a regular Sudoku puzzle.

It is a Spanish term which translates to 'The Classic' in English and is known in Catalan as El Classic. Matches involving Real Madrid and Barcelona - Spain's biggest and most successful clubs - are deemed to be the pinnacle of Spanish football, hence the idea that it is the country's 'classic' encounter.

A rivalry from the beginning\n\n In the middle of the 20th Century, the rivalry took on a new dimension. It was still known as a derby, rather than 'El Clsico' despite both teams being from different cities.