If you are looking for a story-driven puzzle game with a written plot (secrets, betrayal, etc.), games like Jigsaw Stories on Google Play use jigsaw mechanics to unlock chapters of an actual emotional narrative. Jigsaw Stories – Apps on Google Play
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Jack thought back to the serial number he had seen earlier: 91 HOT. Suddenly, a spark of insight struck him. He typed the serial number into the game's chat function, and to his surprise, a hidden door opened.