A wordoku works like a Sudoku but with letters. That is to say, in each row, column and 3x3 grids there will be 9 different letters. In the coloured boxes you will be able to read the word to be revealed.
P L X O
R X O P L
O L R E N
N L G P
X P O I G
R I E N
E R I L N X
R G O
O G N X L P