It's a game of mental agility and competition which objective is to accumulate the most points along the 20 rounds. Each round has two different games, the first one called "Prueba de vocabulario" (vocabulary test) in which players will have to find the longest word using 9 given letters. Players randomly draw letter tiles asking for either a vowel or a consonant, there are also some "joker" cards that can work as any letter. The second game is called "Prueba de cálculo" (math test) in which players will have to get as close as possible to a number generated randomly with 3 dices (number between 1 to 999) using for it just 6 numbers. Players randomly draw number tiles asking for either a unit (1-9) or a decimal (10-90). Allows from 2 to 6 players (12 if played in teams).