All alphabetical letters make one or more appearance in the grid and are represented by the exact same number wherever they appear throughout the grid. To help you get started, a few letters are revealed before the game starts. To add a letter and crack the code, click a cell and then type or click on the letter you would like to place in the cell. Codeword, word puzzle, letter placement, number code, logic puzzle, word game, brain teaser, puzzle game, Arkadium, word decoding, number matching, challenging, vocabulary, deduction, online puzzle, mobile game