Fill-In Crosswords, also known as Fill-it-ins or Word Fills, is a word game offered by LR Studios. It is similar to crosswords, but instead of clues, words are given to fill in the grid. The game offers several levels of difficulty, ranging from beginner to very hard, allowing players to choose the level that best fits their skill level.

The game features a mix of crossword grid styles, such as American, French, Italian, and more, which differ in the way the black squares are placed. Additionally, the game offers two new puzzles every day, providing players with fresh challenges regularly.

Fill-In Crosswords is available in several languages, making it accessible to players from different parts of the world. The game also has many settings to customize the features and the look and feel of the grid. Overall, Fill-In Crosswords is an enjoyable and challenging word puzzle game that provides players with hours of entertainment.