Easy
Medium
Hard
Deadly
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strategy puzzles
Pirates & The Treasure
Tigers & The Sheep
Duck & Fox
Prisoner's Hat
Knight and Knave
2 Eggs
Cheating Husbands
Poisonous wine
Infinity & Beyond
King's Salary
Prisoner's Hat (multicolor)
Rainbow Hats
Catching the Submarine
Catching the Spy
Pure Gold
Game of Divisors
Counter Strike
Min & Max
Prisoner's Hat (Infinity)