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CRIDOKU

Daily case

One fresh case a day — not from the book but made for this page and held to the same standard: exactly one solution, solvable without guessing.

The Opera House

14 October 2026 · 7×7 · ●●○○ hard

Pick a person, then tap squares. Place writes the initials large into the square, Note only small in the corner — like pencil on paper. Your progress is kept in this browser (not in your account — on another device you start over).

RugSpotlightClockMirrorDress FormPianoMusic StandOrchestra PitFly LoftSet StorageStaircaseStageTicket Booth1A2B3C4D5E6F7GN ▲
Culprit

Who did it?

Hint ladder

    How you get there

    Suspects

    • Greta
    • Karla
    • Frank
    • Ines
    • Paul
    • Clara
    • Bruno
    0 of 7 placed

    Clues

    1. 1Karla was in the stage.
    2. 2Clara was in the same room as the music stand.
    3. 3Frank was in the stage.
    4. 4Ines was in the orchestra pit.
    5. 5Paul was at the southern edge of the floor plan.
    6. 6Clara was in a corner of the floor plan.
    7. 7Greta was further south than Frank.
    8. 8Paul was next to the rug.
    9. 9Greta was further west than Ines.
    10. 10Karla was further north than Frank.
    11. 11Greta was further north than Bruno.
    12. 12Frank was further east than Ines.

    The rules in four sentences

    1. 1Every person stands alone in their row and alone in their column.
    2. 2Solid objects fill their square — nobody stands there (hatched).
    3. 3On the rug, armchair, chair, bed, ladder and tractor somebody can stand.
    4. 4The culprit is whoever ends up in the same room as the victim.

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