Today’s workspace
Case Grid
Case closed
Every account fits.
Replay a recent case
Three grids ready to replay.
Start with a recent machine-checked Zebra logic grid, or browse every released grid.
The Whisper in the Map RoomAt Central Library, four accounts crossed four places and four objects. Match every person to close the whisper in the map room.
The Silent Dressing RoomAt Grand Opera House, four accounts crossed four places and four objects. Match every person to close the silent dressing room.
The Quiet CentrifugeAt North Research Lab, four accounts crossed four places and four objects. Match every person to close the quiet centrifuge.
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.