The Casebook
Every case in the archive, shelved by kind and by tier. Pick any case at your level and play it free — you still earn points for solving; your rating never moves in free play. New to Suiri? The Rookie shelf is open to everyone.
Logic grid
D 169–984
Logic Grids
Suspects, rooms, and the things they carried — cross off the impossible until one arrangement survives.
85 cases
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Truth-teller case
D 219–885
Truth-Tellers
Every witness either always tells the truth or always lies — work out who is who and the case opens.
70 cases
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River-crossing case
D 293–455
River Crossings
A boat, a far bank, and passengers who must never be left together — plan every crossing and bring them all over.
13 cases
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Planning-move case
D 271–711
Planning Moves
Pieces scattered across posts, one legal move at a time — find the shortest path from jumble to finished stand.
13 cases
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