Crux: Daily Logic Puzzles
Daily Logic Puzzles
About
Engage your mind with daily logic grid puzzles that challenge your deduction skills. Create your own puzzles, play past challenges, and enjoy a clean interface with multiple difficulty levels and languages. Sharpen your thinking with this engaging brain-training app.
What's New in Crux
1.5.0
September 16, 2026
- New 'Deadline' game mode: solve as many puzzles as you can before time runs out! - Statistics page: compare your performance against others - Premium users can now share puzzles from the custom puzzle builder - New achievements
MoreSubscriptions & In-App Purchases
$1.99
Crux Premium
Unlock more difficulties, unlimited hints and more...
FAQ
What kind of puzzles does Crux offer?
Crux offers daily logic-grid puzzles, similar to Einstein or Zebra puzzles. You read clues to deduce relationships and solve the grid. The app also includes a custom builder for creating your own puzzles.
Can I play Crux offline?
Yes, Crux is designed to work offline, making it ideal for commutes and travel. You can enjoy daily puzzles and your created custom puzzles without an internet connection.
How does Crux handle ads?
Crux is ad-free. The developer has stated that the app contains no advertisements, ensuring an uninterrupted puzzle-solving experience.
What are the pricing options for Crux?
Crux is free to download and includes daily puzzles. A one-time Premium purchase unlocks the full daily archive, unlimited custom builder, mid-puzzle answer checking, print/PDF export, and more.
What languages does Crux support?
Crux supports six languages: English, German, Spanish, French, Italian, and Portuguese. This allows a wider audience to enjoy the logic puzzles.
How often are new puzzles released in Crux?
New puzzles are released every day in Crux, with varying difficulties. The Premium purchase unlocks access to the full daily archive and harder daily puzzle difficulties.
Is Crux suitable for younger players?
Crux has an age rating of 12+. It includes an interactive tutorial to help new users learn logic grid mechanics, making it accessible for teens and adults.
Can I share puzzles I create in Crux?
Yes, you can share custom puzzles that you create using the builder. The app also allows exporting puzzles to PDF, which can then be printed or shared.
