Six cases to solve

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How to play

The board

    The controls

    • Place someone. Tap their token in the list, then the square. Or drag the token onto the plan and drop it.
    • Remove someone. Tap the square they are on.
    • Mark ✕. Switch to Mark ✕ and tap the squares you rule out. Nobody is placed there: it is your pencil.
    • Back. Undoes the last move, one at a time, including Clear.
    • Hint. Gives you the reasoning step by step, one at a time. Every case can be solved in full without it.
    • Check. Lights up once everyone is placed.

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    How to play, in 20 seconds
    1. Every statement is true.
    2. Each suspect goes in one square: one per row and one per column.
    3. Rule out squares with ✕ until there is only one place left for each.
    4. The murderer is the only one left alone with the victim in their area.
    All the rules
    Tapping a square: