ChemLab: Molecule Builder
Puzzle In-app purchases Contains ads
Build molecules, learn chemistry! 150 real-world molecule puzzles
- Downloads
- 2K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Sep 18
- 2026 · v2.9.2
Screenshots
About ChemLab: Molecule Builder
🧪 BUILD REAL MOLECULES. LEARN REAL CHEMISTRY.
Ever wondered how water (H₂O) is made? Or what caffeine looks like at the molecular level?
ChemLab is a chemistry puzzle app that lets you drag atoms, create bonds, and build real molecules through hands-on gameplay.
From simple hydrogen gas to complex vitamins and amino acids, explore molecular structures through 150 handcrafted chemistry puzzles designed to teach how atoms connect in the real world.
🎮 WHAT YOU’LL DO IN CHEMLAB
✓ BUILD 150+ REAL MOLECULES
Start with water and progress to caffeine, glucose, amino acids, and DNA bases. Every molecule you build represents a real chemical structure.
✓ 30 THEMED CHAPTERS
• Water & Simple Molecules
• Carbon Chemistry
• Alcohols & Acids
• Ring Structures
• Amino Acids & Proteins
• Fuels & Polymers
• Medicines & Vitamins
• DNA Building Blocks
…and more.
✓ LEARN AS YOU PLAY
Each puzzle includes short facts about the molecule you’re building, helping you connect structures with real-world chemistry.
✓ INTERACTIVE PERIODIC TABLE
Browse elements, valence electrons, atomic properties, and bonding rules using a built-in reference.
✓ CHEMISTRY LESSONS
Six structured lessons explain single, double, and triple bonds and how atoms form molecules.
📚 SUITABLE FOR
• Students studying chemistry
• Teachers using STEM learning tools
• Parents looking for educational puzzle games
• Puzzle fans who enjoy logic challenges
• Science learners of all ages
• Anyone curious about atoms and molecules
🏆 FEATURES
• 150 chemistry puzzle levels with increasing difficulty
• 30+ achievements
• Star rating per level
• Optional hints
• Progress tracking across chapters
• Multiple difficulty modes
• Dark mode
• Colorblind-friendly design
• Offline play supported
• Optional ads do not interrupt gameplay*
🔬 MOLECULES YOU’LL BUILD
Simple: H₂O (Water), CO₂ (Carbon Dioxide), O₃ (Ozone)
Organic: Methane, Ethanol, Acetone, Glucose
Amino Acids: Glycine, Alanine, Cysteine, Proline
Medicines: Phenol, Caffeine core, Vitamin C
Polymers: Ethylene, Styrene, Vinyl Chloride
🎓 EDUCATIONAL VALUE
ChemLab focuses on understanding how and why atoms bond instead of memorizing formulas. It can be used alongside:
• High school chemistry
• AP Chemistry
• College organic chemistry
• MCAT preparation
• IB Chemistry
• General science learning
Build molecules, explore chemical structures, and strengthen your understanding of chemistry through interactive puzzles.
Ever wondered how water (H₂O) is made? Or what caffeine looks like at the molecular level?
ChemLab is a chemistry puzzle app that lets you drag atoms, create bonds, and build real molecules through hands-on gameplay.
From simple hydrogen gas to complex vitamins and amino acids, explore molecular structures through 150 handcrafted chemistry puzzles designed to teach how atoms connect in the real world.
🎮 WHAT YOU’LL DO IN CHEMLAB
✓ BUILD 150+ REAL MOLECULES
Start with water and progress to caffeine, glucose, amino acids, and DNA bases. Every molecule you build represents a real chemical structure.
✓ 30 THEMED CHAPTERS
• Water & Simple Molecules
• Carbon Chemistry
• Alcohols & Acids
• Ring Structures
• Amino Acids & Proteins
• Fuels & Polymers
• Medicines & Vitamins
• DNA Building Blocks
…and more.
✓ LEARN AS YOU PLAY
Each puzzle includes short facts about the molecule you’re building, helping you connect structures with real-world chemistry.
✓ INTERACTIVE PERIODIC TABLE
Browse elements, valence electrons, atomic properties, and bonding rules using a built-in reference.
✓ CHEMISTRY LESSONS
Six structured lessons explain single, double, and triple bonds and how atoms form molecules.
📚 SUITABLE FOR
• Students studying chemistry
• Teachers using STEM learning tools
• Parents looking for educational puzzle games
• Puzzle fans who enjoy logic challenges
• Science learners of all ages
• Anyone curious about atoms and molecules
🏆 FEATURES
• 150 chemistry puzzle levels with increasing difficulty
• 30+ achievements
• Star rating per level
• Optional hints
• Progress tracking across chapters
• Multiple difficulty modes
• Dark mode
• Colorblind-friendly design
• Offline play supported
• Optional ads do not interrupt gameplay*
🔬 MOLECULES YOU’LL BUILD
Simple: H₂O (Water), CO₂ (Carbon Dioxide), O₃ (Ozone)
Organic: Methane, Ethanol, Acetone, Glucose
Amino Acids: Glycine, Alanine, Cysteine, Proline
Medicines: Phenol, Caffeine core, Vitamin C
Polymers: Ethylene, Styrene, Vinyl Chloride
🎓 EDUCATIONAL VALUE
ChemLab focuses on understanding how and why atoms bond instead of memorizing formulas. It can be used alongside:
• High school chemistry
• AP Chemistry
• College organic chemistry
• MCAT preparation
• IB Chemistry
• General science learning
Build molecules, explore chemical structures, and strengthen your understanding of chemistry through interactive puzzles.
What’s new
Version 2.9.2 · Updated September 18, 2026
v2.9.2 — Every molecule has a story • 213 new molecule stories • New Collection features and achievements • Improved ionic molecule levels • Sandbox improvements
User reviews
I gave this app five stars because it helps with memorizing information and learning subjects like chemistry. It has lots of content, including amino acids, biomolecules, and compounds with elements like hydrogen, oxygen, sulfur, carbon, and nitrogen. However, I can't pass level 88 because it limits building atoms t...
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