No Case Should Remain Unsolved is an immersive adventure game designed for Mac users, offering players a captivating narrative that unfolds through the eyes of retired Senior Inspector Jeon Gyeong. The game invites players to delve into a complex mystery set twelve years after Gyeong's retirement, as she is approached by a young officer seeking to revisit an unresolved case. The storyline is rich with intrigue, as players must navigate through layers of deception and uncover the truth behind the lies surrounding Seowon's case.

The gameplay focuses on exploration, investigation, and puzzle-solving, allowing players to engage deeply with the characters and plot. As Gyeong reexamines her memories, players will experience a blend of storytelling and gameplay that emphasizes critical thinking and attention to detail. The full version ensures access to all content, providing a complete experience for those who enjoy adventure games that challenge the mind while delivering a compelling narrative.