Puzzler Collection is a collection of thousands of puzzles in four categories: Fitword, Crossword, Sudoku and Wordsearch. In Fitword , the words shown must be placed in a grid. In Crossword , clues are given and the player must input the word that matches the description. In Sudoku , numbers are placed in a grid in such a way that no duplicates occur horizontally and vertically. In Wordsearch , the words shown have to be crossed out in a grid of letters.