The computer will think of a five letter word with unique letters. After you attempt to guess the word, the computer will tell you whether you guessed the word successfully, or how many of the letters in your guess match the computer's word. Keep on submitting five letter words until you have guessed the computer's word.

Enter your name and the click on the PLAY button to begin playing Jotto !

Click here to see those who may have played a perfect game.
Or here to see those who have hacked the game and the database.

Jotto is part of the Vicnum project which was developed for educational purposes to demonstrate common web vulnerabilities. For comments please visit the OWASP project page.

Mordecai Kraushar