Using a row of hyphens, a proverb to guess is represented. If the player presses on the proposed keyboard a letter that appears in the saying, the application writes it in all its correct positions. If the typed letter is not found in the word, the application subtracts an opportunity from the pile of books. The game ends when:

The player guesses the saying in full.
The player runs out of opportunities out of the 6 allowed by the application.