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The Queen's Hope Diamond has been stolen! It's up to you to search for clues throughout 22 levels, find the offending culprit, and recover the stolen gem. Expand your investigations through the game's 29 unique locations by finding items that will unlock subsequent levels.
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88% positive reviews all-time · 9 peak players in the last 30 days.
Mystery Case Files: Prime Suspects™ peaked at 9 concurrent players on Steam in the last 30 days (highest on Jul 11, 2026). The player chart on this page updates daily.
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