The game captures a "Brazilian-inspired ambience" with remarkable detail, from the architecture to the behavior of pedestrians and traffic. Players have noted the "feeling of familiarity" in its portrayal of low-income neighborhoods.
If you are referring to the film Subject (sometimes associated with its protagonist "Subject 171"), it is a psychological horror/thriller that utilizes found-footage techniques. 171 on Steam
Developed by Betagames Group , this game is an open-world sandbox set in a fictionalized version of a Brazilian suburb.