"Criminal Case" is a popular mobile and social game where players take on the role of a detective. The objective is to solve various murder mysteries by gathering clues, analyzing evidence, and interviewing suspects. Players progress through different cases, each with unique storylines and characters. In the game, players can join friends or other players to collaborate on solving cases. They can also earn rewards and unlock new features as they advance. The gameplay combines elements of puzzle-solving and strategy, making it engaging for fans of mystery and crime genres.