Chemistry puzzles
Science and chemistry-themed puzzles, including wordoku, quick and cryptic crosswords. Test your chemistry knowledge and puzzle-solving skills
Our puzzles are sponsored by Lab Innovations, the event where every scientist is in their element, will stir up solutions, and bond with others.
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Our top puzzle
Nobel prize crossword 2025
Test your Nobel nous with this chemistry-themed crossword
Cryptic chemistry crossword #108
’Maybe introduce addition of electrons (9)’ while completing this cryptic chemistry crossword
Cryptic chemistry crossword #107
This chemistry puzzle ‘Regularly reveals fish (3)’
Cryptic chemistry crossword #106
‘Fool around with Dot and Kiki even (5)’ while you complete this cryptic, chemistry-themed crossword
Cryptic chemistry crossword #105
You might ’get hint about contract (7)’, but you’ll get no tips about this cryptic chemistry crossword
Quick chemistry crossword #099 - Lab Innovations 2025 special
Look ahead to this year’s Lab Innovations event with a bumper quick crossword.
Quick chemistry crossword #098
From a mission to Saturn’s moons to a marine mollusc, this quick chemistry crossword will test your knowledge
Quick chemistry crossword #097
This quick chemistry crossword condenses clouds of ions, a dash of Queen Anne’s lace, and a liqueur-laced current into one electrifying challenge.
Quick chemistry crossword #096
This quick chemistry crossword covers codebreaking, chemistry, and ecclesiastical architecture.
Quick chemistry crossword #095
From niobium to Nobelists, meet chemists and revisit the lab where the pH scale was born in this quick chemistry crossword.
Chemistry wordoku #116
The puzzle that requires both logic and a sprinkling of chemistry knowledge
Chemistry wordoku #115
This puzzle hides the name of an eminent materials scientist
Chemistry wordoku #114
Put your problem-solving skills to the test