Easy
Medium
Hard
Deadly
Auto
Light
Dark
discrete puzzles
The Returning Explorer
Pair of Socks
Antipodal points
Rabbit on the Staircase
Sharing Wood
MULTILINGUAL
Counting on friends
Domino Covering
Fruit Magic
Catching Ants
Color Complex
Light Bulbs in circle
Chocolate Bar
Dead Men Walking
Square Infection
Sharing a Secret
Weights Reckoning
Gas Stations on Circular Trek
Bricking Box
Crazy Clock
Candy Game
Overlapping Coins
Scaling a Square
Consecutive sums
Intersecting Pillars