Valence Lab: Molecule Puzzle

Bond atoms into real molecules

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Enjoy chemistry like a puzzle, even if it's not your subject. Simple controls, playable offline. Complete a codex of 151 molecules and even create originals! Take atoms from cylinders and bond them into molecules! Valence Lab is a molecule-building puzzle on a hexagonal board. Currently 151 named molecules, from water to benzene. Collect them all to complete the codex! HOW TO PLAY 1. Tap a cylinder to place an atom. 2. Slide to a neighbor to bond. Slide again for a double or triple bond. 3. Fill every hand to complete the molecule. Start with the tutorial. Hints are available too. FILL THE CODEX Molecules are identified by atoms and bonds. Unnamed combinations are saved as original molecules. The codex shows how many times you made each one. DAILY GOALS Daily missions change every day. Make varied molecules to unlock achievements. Rank up through 10 title levels. GROW YOUR LAB Earn research points by making molecules. Unlock new atoms and skins. More atom types, more molecules to build. RECOMMENDED FOR - Puzzle fans - Collectors who like a full set - Anyone curious about molecules BEFORE YOU PLAY - No account needed. Progress stays on your device. - Core play works offline. Ads and purchases need a connection. - A banner ad shows at the bottom. - Optional rewarded videos give bonuses such as hints. - In-app purchases: Gold Member and Full restore. Gold Member removes ads and adds a board row. - Valence and bonding are simplified. Not every isomer, reaction, or molecular stability is reproduced. - In English and Japanese.

  • This app hasn’t received enough ratings or reviews to display an overview.

Bug fixes.

The developer, POYOFARM, 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:

    • Location
    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
POYOFARM
Size
36.4 MB
Category
Puzzle
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and Japanese
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 POYOFARM