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 Restek, leading provider of innovative and high-quality chromatography products, comprehensive technical resources and exceptional customer service.
Visit the Restek PFAS resource hub now
Our top puzzle
Cryptic chemistry crossword #090
Tin, toxins, and tricky turns of phrase all show up in this cryptic chemistry crossword. Can you solve it?
Cryptic chemistry crossword #096
This puzzle might give you a ’happy moment when working’ (6)
Cryptic chemistry crossword #095
Crystallographers, chemists, and a few jet-setting enzymes all feature in this cryptic chemistry crossword. Can you solve it?
Cryptic chemistry crossword #094
’Tinker with a novel protein’ and solve this cryptic chemistry crossword
Cryptic chemistry crossword #093
This cryptic chemistry crossword has it all, from lab kits to heretics.
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.
Quick chemistry crossword #094
Ready to chase Nobel discoveries and trace molecular mysteries? Give this quick chemistry crossword a solve!
Quick chemistry crossword #093
Crabs, cannabinoids, and chain reactions are central to this quick chemistry crossword puzzle
Quick chemistry crossword #092
This quick crossword layers Nobel laureates, chemical trivia, and natural forces into one puzzle just waiting to be solved.
Chemistry wordoku #104
There’s a chemist with an interest in chiral nanomaterials hiding in this letter-based puzzle
Chemistry wordoku #103
Complete this puzzle to unscramble a British natural product chemist
Chemistry wordoku #102
Sniff out the hidden terpene in this sudoku-style brain teaser