Discrete
Probability
Strategy
Tricks
×
General Puzzles
Which Switch?
The Plane in the Wind
Burning Cords
Water & Wine
100 Light bulbs
e^Pi or Pi^e
Shooting in Circle
Dark Room Deck
Devil's Penny
2 Equations & 3 Unknowns
Weird Sequences
Latest solved Puzzles
Color Switches
Weird Sequences
Intersecting Pillars
Consecutive sums
Scaling a Square
Difficulty Level
Easy
Medium
Hard
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