Chemistry puzzles

Science and chemistry-themed puzzles, including wordoku, quick and cryptic crosswords. Test your chemistry knowledge and puzzle-solving skills

Our top puzzle

Jumbo 2024 cryptic crossword grid

Cryptic elements jumbo CrOsSWORd 2024

If cryptic crosswords aren’t challenging enough for you, try this jumbo one that only uses letters found in elemental symbols

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Cryptic chemistry crossword #069

Can you get all three of the 15-character answers in this cryptic chemistry crossword puzzle?

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Cryptic chemistry crossword #068

Can you find all the chemical elements hiding in this cryptic chemistry crossword puzzle?

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Cryptic chemistry crossword #067

Graze extreme tundra and upset a shark to solve this cryptic chemistry crossword

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Cryptic chemistry crossword #066

Try this cryptic chemistry crossword puzzle on for size today!

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Quick chemistry crossword #069

Acronyms, Agatha Christie and artifacts all feature in this quick chemistry crossword

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Quick chemistry crossword #068

You’ll need to know some geology, chemistry and history to solve this quick chemistry crossword

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Quick chemistry crossword #067

From Caribbean islands to the river Thames, this quick chemistry crossword will test your knowledge

Jumbo 2024 quick crossword grid

Jumbo quick chemistry crossword 2024

More grid, more clues, more puzzle! 

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Quick chemistry crossword #066

To solve this quick chemistry crossword you’ll need to know your enzymes, acids and compounds!

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Chemistry wordoku #077

Try this brain teaser and tease out the biotech company

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Chemistry wordoku #076

Place the letters perfectly to pinpoint the polysaccharide

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Chemistry wordoku #075

Can you find the chemistry Nobel laureate in this wordoku?