Molecule: Daily Logic Puzzle
Black Box Grid Deduction
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Put your deduction skills to the test with Molecule, a pure logic puzzle inspired by the classic Black Box game created by Eric Solomon in 1977.
Can you locate the hidden molecules inside the grid without ever looking inside?
HOW TO PLAY
• Fire test rays into the edges of the grid.
• Observe where the ray emerges, reflects, or gets absorbed.
• Use logic and deduction to pinpoint the exact positions of all hidden molecules.
• Place your markers and submit your solution when your deduction is complete.
WHY YOU’LL LOVE MOLECULE
• Pure Logic & Deduction: Every board can be solved through pure deductive reasoning.
• If You Love Minesweeper, Nonograms, or Mastermind: Molecule brings that same satisfying feeling of using edge clues to reveal hidden information.
• Daily Challenge: Play a fresh handcrafted puzzle every day, share your results, and see how your deductive speed compares with players worldwide.
• Practice & Custom Modes: Choose your grid size and molecule count to practice your ray deflection logic at your own pace.
• Clean & Modern Design: Elegant minimalist aesthetics, tactile sound effects, and zero distractions.
Sharpen your mind and master the rays. Download Molecule and solve today’s puzzle!
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://molecule.moodstone.com/privacy.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
* Bug fixes
The developer, moodstone, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Moodstone Technology Limited
- Size
- 42.2 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Contains
Advertising
- In-App Purchases
Yes
- Molecule Pro Annual $0.99
- Molecule $1.99
- Copyright
- © Moodstone Technology Limited 2026