In 'Mind Vault: Whose Thoughts Are These?', players assume the role of a reluctant cognitive detective who has the ability to enter the minds of others through a mysterious device called the Thought Harvester. Each level represents a different individual's mental landscape, where thoughts, memories, and secrets manifest as interactive puzzles. Players must navigate through complex emotions, revealing hidden truths while confronting their own repressed memories. Every decision impacts the intertwining fates of the individuals involved, leading to multiple endings and moral dilemmas. Uncover the mystery of who controls the device and what lies behind the curtain of perception.