Arkadium Codeword is a strategic crossword word game where you have to fill the grid with letters to complete the Crossword. Each number in the puzzle coordinates with a different letter. Each letter can only be used for one number in the puzzle. The puzzle starts with a few letters already revealed, so you will have to work off of that to start spelling other words and filling in the puzzle. A new puzzle is available every day, and you can make up puzzles for the month.