High Quality Content by WIKIPEDIA articles! Vale tudo (Portuguese pronunciation: ; meaning "everything allowed", or "anything goes") are full-contact unarmed combat events, with a limited number of rules, that became popular in Brazil during the 20th century. Vale tudo has been considered a combat sport by some observers. While vale tudo uses techniques from many martial art styles, making it similar to modern mixed martial arts competitions, it is a distinct style in its own right.