Fill-in puzzles (also known as "Fill-ins") are a variation of the common crossword puzzle in which words, rather than clues, are given.
Features: - 4 levels of difficulty, from beginner to expert - Several daily puzzles - Many languages available - Many settings to customize the features and the look and feel of the grid - A mix of crossword grid styles: american, french, italian, ... (the difference is in the way the black squares are placed)