Case Grid 005 · Grand Opera House · Zebra Logic Grid

The Mask behind the Curtain

At Grand Opera House, four accounts crossed four places and four objects. Match every person to close the mask behind the curtain.

Goal Use each exact clue to complete all four matches.

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People, places, and objects in The Mask behind the Curtain

At Grand Opera House, four accounts crossed four places and four objects. Match every person to close the mask behind the curtain.

People

  • Orla West
  • Lena Frost
  • Kai Moreno
  • Marek Dean

Places

  • Stage Left
  • Rehearsal Studio
  • Box Office
  • Orchestra Pit

Objects

  • Silk Ribbon
  • Rehearsal Note
  • Prop Key
  • Cue Bell

Exact clues

  1. Kai Moreno was assigned to Stage Left.
  2. Orla West was not assigned to Rehearsal Studio.
  3. Prop Key was logged at Orchestra Pit.
  4. Marek Dean was not assigned to Rehearsal Studio.
  5. Marek Dean was not assigned to Orchestra Pit.
  6. Kai Moreno did not carry Rehearsal Note.
  7. Rehearsal Note was not logged at Box Office.
  8. Silk Ribbon was not logged at Box Office.
Read the closed-case resolution

Orla West was matched to Orchestra Pit with Prop Key. Once that link was fixed, every remaining account in the mask behind the curtain had only one possible place.

The rule in ten seconds

How to play

Exclude. Tap a blank cell once to mark an impossible match.

Confirm. Tap again to lock a match and clear its row and column.

Connect. Two linked matches automatically complete the third matrix.

Case Grid belongs to the classic Zebra-puzzle family: every clue connects categories until one complete set of matches remains.