Embates da Física (Physics Clashes) is a competitive hidden identity game for 5 to 8 players. One group of players represents Einstein while another group SECRETLY represents Newton. Einstein's team wins if they manage to correctly answer 4 questions, while Newton's team wins if 4 questions are answered incorrectly. During the game, players are free to talk and discuss whatever they want. Social interaction, logical deduction, and bluffing are essential to victory in this game, especially for the Newtons!