Most rule sets for mixed martial arts competitions have evolved since the creation of life vale tudo. As the knowledge about fighting techniques spread among fighters and spectators, it became clear that the original minimalist rule systems needed to be amended. As rules evolved and regulations added, different branches of mixed martial arts have emerged, with differences between the different rulesets dictating different strategies. Similarly, shoot wrestling organizations, such as Shooto, expanded their rulesets to integrate elements of vale tudo into their sport. However, for the most part, fighters accustomed to one rule set can easily acclimate to a different ruleset, as the basics of fighting remain largely the same.