Lost in Prison：Merge Secrets

Welcome to Haven Prison. Children’s doodles appear on the walls, stickers lie submerged in dirty water, and a child’s cries echo through the ventilation ducts. What is this private prison trying to hide? Sarah is searching for her missing daughter, Alice, but her investigation leads her into a trap — she is framed and locked inside Haven Prison. Just when hope begins to fade, Sarah discovers traces of Alice within the prison walls. To find her daughter, she must follow every clue, survive the prison’s strict rules, and expose the dark secret behind its charity programs. Merge items to create useful tools, repair damaged areas, open locked rooms, and collect key evidence. Every merge helps Sarah move deeper into the prison and closer to the truth about Alice’s disappearance. Explore different prison locations, complete story tasks, join limited-time merge events, collect rewards, and reveal more hidden stories inside Haven Prison.