Logic puzzles & grid puzzles online

todayMystery of the Day

A new case file awaits your expertise.

Solve a new logic puzzle every day. Deduction grids, logic grids and zebra puzzles — are you up to the challenge?

Confidential

folder_specialToday's case

Hard

Confidential

Puzzles about cooking, history, sports, travel… Each puzzle is a unique investigation with its own theme, difficulty and twists.

1. Analyze

Open the case file and examine each clue. Every detail can be decisive.

psychology

2. Deduce

Cross-reference information in the logic grid. Eliminate the impossible.

key

3. Solve

Complete the grid and close the case. Justice is served!

Closed cases

Detectives