Chemistry puzzles
Science and chemistry-themed puzzles, including wordoku, quick and cryptic crosswords. Test your chemistry knowledge and puzzle-solving skills
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Quick chemistry crossword #106
This quick chemistry crossword will take you from Scotland to Dorset
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August 2026 puzzles
Download the August 2026 puzzles from Chemistry World
Cryptic chemistry crossword #145
‘Regular retreat taking an age? (3)’ here’s a cryptic chemistry crossword to do while you wait
Cryptic chemistry crossword #144
On a ’Romantic retreat with nothing in it? (4, 4)’ then console yourself with this cryptic chemistry crossword
Cryptic chemistry crossword #143
Completing this cryptic chemistry crossword is surely better than ‘arguing about airy astronaut (4, 7)’
Cryptic chemistry crossword #142
When doing this cryptic crossword, there’s no need to ‘analyse the competition? It’s just a game! (4, 5)’
Chemistry wordoku #154
This chemistry wordoku takes it lead from an expert in bioconjugates in human health!
Chemistry wordoku #153
This chemistry wordoku looks at how space spores brought life on Earth!
Chemistry wordoku #152
Rack your brain for answer to this chemistry wordoku
Quick chemistry crossword #105
Thinking like the Italian renaissance polymath, astronomer, artist and physicist will help with this quick chemistry crossword
Quick chemistry crossword #104
Knowing your electrical units will help with this quick chemistry crossword
Quick chemistry crossword #103
Egg experts will find this quick chemistry crossword eggstra eggciting
Quick chemistry crossword #102
Galvanise yourself to solve this quick chemistry crossword
Quick chemistry crossword #101
Indian and Danish physicists meet British astronomers and evolutionary biologists in this quick chemistry crossword