Logic Problems:

Summer Barbecue

Grid-based Logic

Mark and his wife Cindy decided that it was high time for them to host a summer barbecue. So next Saturday night they've invited four couples to join them for a summer barbecue feast and festivities...

BRYLine:

Beginner 3

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 3

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:

The Sunflower

DIY, Hands-on

Cut out four pieces. Fold each in half. Now interweave them in such a way that the flat, uninterrupted, sunflower is assembled on both sides of the pack

Matchsticks:

The Pyramid

Segment-based geometry, hands-on

The Pyramid is built of 15 squares. What is the minimum number of matchsticks to be removed so that…

Puzzle Stories:

The Umbrella Connection

Deduction, Reasoning, Spatial

A secret agent is heading out this afternoon to meet a connection at a local outdoor café. The café has 16 tables arranged in a 4×4 square grid, with each table under an umbrella...

Kolocells:

Advanced 2

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