Logic Problems:

Gadgetworks Security

Grid-based Logic

The Gadgetworks, Inc. security team included six people who were stationed in the two security centers, nicknamed Thelma and Gracie...

BRYLine:

Intermediate 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:

Beginner 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:

Five-Piece Cube

DIY, Hands-on

Cut out, fold along the dotted lines, and glue the 5 pieces. Using all 5 pieces, assemble a...

Matchsticks:

2 Triangles to 4

Segment-based geometry, hands-on

Six matchsticks are arranged into two equilateral triangles. Move just...

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:

Intermediate 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