Logic Problems:

Laundromat Tripping

Grid-based Logic

Charlie went to the laundromat with his regular weekly wash yesterday. He nodded to the other regulars when he walked in and put his laundry on. But then he decided to be different. Instead of...

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:

Beginner 4

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:

The Right Angles 2

Segment-based geometry, hands-on

Six matchsticks are arranged into the shape of a Christmas tree as is shown below. Three right angles can be counted in the shape...

Puzzle Stories:

The Doors

Deduction, Reasoning, Spatial

The floor plan of a house has 8 rooms and 12 doors, with two of them leading outside...

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