Chemistry puzzles

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

Our top puzzle

Cryptic crossword grid 090

Cryptic chemistry crossword #090

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Tin, toxins, and tricky turns of phrase all show up in this cryptic chemistry crossword. Can you solve it?

Cryptic crossword grid 092

Cryptic chemistry crossword #092

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Featuring a dash of chemistry and a hint of misdirection, can you solve this cryptic chemistry crossword?

Cryptic crossword grid 091

Cryptic chemistry crossword #091

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From Danish physicists to sweet anagrams and sneaky naturalists, this cryptic chemistry crossword is a mind-twisting mix of science, wordplay, and wit.

Cryptic crossword grid 089

Cryptic chemistry crossword #089

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’Scream about first class pottery’ while you complete this cryptic chemistry crossword

Cryptic crossword grid 088

Cryptic chemistry crossword #088

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Beware the cafe in this cryptic chemistry crossword

Quick crossword grid 092

Quick chemistry crossword #092

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This quick crossword layers Nobel laureates, chemical trivia, and natural forces into one puzzle just waiting to be solved.

Quick crossword grid 091

Quick chemistry crossword #091

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From pulsars to pectin and anaesthetics to amino acids, can you solve this quick chemistry crossword?

Quick crossword grid 090

Quick chemistry crossword #090

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The chemists in this quick chemistry crossword received film portrayals, Nobel prizes and death sentences. Can you name them all?

Quick crossword grid 089

Quick chemistry crossword #089

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This quick crossword will test your knowledge of eggs, electrodes and epigrams

Quick crossword grid 088

Quick chemistry crossword #088

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A quick brain-teaser that will test your chemistry knowledge

Wordoku grid 100

Chemistry wordoku #100

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Celebrate 100 wordoku puzzles with us, and find the hidden Nobel laureate

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Chemistry wordoku #099

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 Can’t sleep? Perhaps this puzzle will help…

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Chemistry wordoku #098

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Relieve some pressure by taking time out to complete this puzzle