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About Cold Case Bureau

One case a day. The same case for everyone. Nothing to buy, no ads, no account. Cold Case Bureau puts a case file on your desk: the victim, the suspects, the evidence, and somewhere inside it, one story that doesn't hold together. Read the file. Find the two statements that can't both be true. Pin them on the board and watch the string pull tight. Then build your theory, not a guess from a menu, but an argument, element by element. Get part of it right and that part locks in. Get part of it wrong and the case tells you exactly which part, and lets you keep working. THE DAILY CASE Every day the Bureau opens one case, and it's the same case for every player in the world. Solve it, keep your streak alive, and share your result. A spoiler-free grid that shows how you did without giving anything away. SEASONS Six linked cases told in order, at your own pace. Season One, The Ninth Desk: every file holds an older case the Bureau closed too quickly, and the same violet stamp on each one. Close a case, and the Season File tells you what you've found. INVESTIGATE Four Case Hours, and a case that offers more than four hours of leads. Press a suspect with a piece of evidence and what they say depends on what you chose to show them. Pull records nobody asked for. Send evidence to the lab. Earn a warrant with proof from your board. A wasted half hour is on you, but the case can always be closed from the file alone. Nothing is ever locked behind a guess. THE INVESTIGATION BOARD Real red string. Connect two pieces of evidence that contradict each other and the connection is established permanently. The board is where you prove people are lying. THE ARCHIVE More than a hundred past Daily cases, free to work in any order, from quick Rookie files to five-suspect Senior investigations with paper trails that close like a net. FAIR PLAY, GUARANTEED Every case is verified solvable from its own evidence before it ships. Every question has exactly one answer the file supports. If you reason correctly, you win - that's the whole promise. No ads. No purchases. No timers that want your money. Just cases.

Ratings & reviews

4.2

9 ratings

5 ★ 78% 4 ★ 0% 3 ★ 0% 2 ★ 11% 1 ★ 11%

What’s new

Version 2.1.3 · Updated November 1, 2026

A SMALL UPDATE - Cold Case Bureau now counts, anonymously, how many cases are opened and closed and how often the Daily is shared, so we know which parts of the game are working. No account, no name, no tracking across apps; the device identifier is scrambled before it leaves your phone. - Batch three of the Daily cases (fifteen new files from November 12) is already on board.

Play today's Queens puzzle

One queen in every row, column and color. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Queens and other daily puzzles on Fiplay →

App privacy

The developer, Thomas Masters, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Usage Data: Product Interaction

Used for: Analytics

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