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Mystery & Mind Games

Black Envelope

Five sealed messages. Only one carries the instruction meant for you.

Daily caseInvestigator

CONFIDENTIAL

Opening the case file…

Study this evidence

Evidence

Case closed

How to play Black Envelope

Match the verified seal, number and paper mark to the only envelope satisfying every clue.

Read every piece of evidence carefully.
Select the one conclusion that fits all the clues.
A hint removes one wrong possibility.
The daily case is shared; practice cases are unlimited.

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Brain Brunch offers family-friendly puzzles and games. No account is required.