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 #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?
Cryptic chemistry crossword #114
’Some find I got colour (6)’, but will you find the solutions to this cryptic chemistry crossword?
Cryptic chemistry crossword #113
‘Finished some hoovering (4)’? Then you’ll have time for 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 #126
Tease out the terpene hidden in this sudoku-style puzzle
Chemistry wordoku #125
See 2025 out with an alkaloid hidden in a sudoku-style puzzle
Chemistry wordoku #124
You may need to go out of your depth to find the seawater-studying geochemist hidden in this sudoku-inspired puzzle