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 GPE Scientific, your specialist provider of chemistry and life science equipment.
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Our top puzzle
Cryptic chemistry crossword #117
Can you discover ‘Isaac Newton’s hidden condition (4)’?
Cryptic chemistry crossword #119
If you can complete this cryptic chemistry crossword, maybe we’ll ’arrange some red roses by return (5)’
Cryptic chemistry crossword #118
’Laze around in fun condition (9)’ while you complete this cryptic chemistry crossword
Cryptic chemistry crossword #116
We hope that doing our cryptic chemistry crosswords isn’t ’Pure torture now and again (4)’
Cryptic chemistry crossword #115
Can you find the ’Odd extra letter (3)’ in this cryptic chemistry crossword?
Quick chemistry crossword #101
Indian and Danish physicists meet British astronomers and evolutionary biologists in this quick chemistry crossword
Jumbo quick crossword 2025
An extra large edition of our quick chemistry crossword
Quick chemistry crossword #100 - Shimadzu special
Search for solutions in this special Shimadzu-themed quick chemistry crossword
Nobel prize crossword 2025
Test your Nobel nous with this chemistry-themed crossword
Quick chemistry crossword #099 - Lab Innovations 2025 special
Look ahead to this year’s Lab Innovations event with a bumper quick crossword.
Chemistry wordoku #128
This sudoku-inspired puzzle contains a class of chemicals that got the Nobel nod
Chemistry wordoku #127
Seek the Swedish scientist secluded in this sudoku-style puzzle
Chemistry wordoku #126
Tease out the terpene hidden in this sudoku-style puzzle