Logic Problems:

Route 66

Grid-based Logic

Five friends decided that for their vacation this year, they'd take a motorcycle road trip on historic Route 66, following the original route of the highway from Santa Monica, California to Chicago, Illinois. The friends all used street motorcycles but each rode a different make...

BRYLine:

Expert 2

Logic: Shapes & Colors

Fill out all the cells in the line with the nine colored shapes, one shape per cell, in accordance with the clues

Geomatrix:

Intermediate 2

Geometry & Deduction

Discover which one of the four dots surrounding a given letter is in fact the real one so that when all dots are assigned, all the clues are satisfied

Cut-Outs:

Where is the 5?

DIY, Hands-on

Four quadrilaterals make up a white square with traditional magic square, 3x3 on it. The magic constant is 15. Shuffle the piece and… flip them over...

Matchsticks:

Trapezoid Getrid

Segment-based geometry, hands-on

How many trapezoids of all sizes can you count? What is the MINIMUM number of matchsticks which has to be removed from the arrangement in order to…

Puzzle Stories:

Outwit the Elevator

Deduction, Reasoning, Spatial

Remember our friend Larry who lives on the 50th floor? Well, recently, a new video-detecting system has been installed in his building for the elevator. This is how it works...

Kolocells:

Expert 1

Logic: Colors

An arrangement is composed of an even number of circles. Paint each circle in one of the three prime colors in accordance with the clues provided