Section 03
Logic Riddles beta
Twenty riddles, no clock and nothing to submit. Read one, think, and check yourself with a hint or the full answer when you are ready.
Warm-Up
The Drawer in the Dark
FreeNo light, no looking, and you still cannot fail.
about 3 min
Deep Focus
Five Floors
FreeSix facts, five neighbours, one building.
about 10 min
High Imagination Required
The Wall and Four Hats
FreeNobody speaks for a long minute. Then somebody knows.
about 20 min
Mind Bender
The Impossible Pair
FreeOne knows the sum, one knows the product. Neither knows anything — until they do.
about 60 min
Unlock several more riddles
Longer chains and harder deductions, across all four levels.
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