Welcome, puzzle solvers!

The Labyrinth of the Liar

A paradoxical puzzle for the brave:

Imagine a door with a sign that says "This is the exit." But when you open it, you find a room with another door with the same sign. What do you do?

What do you do now? Alternative Solutions

The Menger Sponge

A puzzle for the geometry enthusiasts:

A 2D projection of a 4D object. What is it?

More 4D Objects Sponge-tastic Explanations

The Infinite Corridor

A puzzle for the spatial reasoning experts:

You're in a corridor with an infinite number of doors, each leading to another corridor with another door. Which door do you take?

Map It Out What Happens Next?