The Quixote of La Mancha in cryptogram intended as a game that can be played for adult people with the mission of keeping their brain activity, thereby decreasing the likelihood of developing Alzheimer's. The goal is to decipher some phrases found in The Quixote of "La Mancha", the most important literary work of the Spanish language How to play? When you select a phrase, a dashboard is developed, where the cipher letters are gray, pressing any of them, you have the possibility to switch to another letter that you think to be correct. If you figure out exactly, that letter changes to purple and all positions where is that point in the phrase. If not decipher the letter, the fail attempts will increase. You only have five attempts for each phrases. To help decipher each phrase, some ciphered letters are deciphered at the begin, those are purple. How the game is won? The game ends when deciphering all the letters. Special features of the dashboard. The boxes in black represent spaces in the phrase. Some words can be cut at the end of bound, so continue on the next line. The special characters needs to be decrypted, even if the encryption is the same.