Chemistry puzzles

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

Win with GPE Scientific

These cryptic crosswords each contain two special letters. Complete the crosswords and make a note of the letters – if you can work out the chemistry-related term they make, you could be in with a chance of winning one of ten prizes valued at £50 each.

There will be six prize puzzles in total, with the last one publishing in June alongside full details of how to enter the competition. Good luck!

Cryptic crossword grid 134

Cryptic chemistry crossword #134

Sponsored by , By

‘8 Glued to the TV? (3)’ Why not take a break and take on this cryptic chemistry crossword?

Cryptic crossword grid 133

Cryptic chemistry crossword #133

Sponsored by , By

Could this cryptic chemistry crossword help you find the ’first of Shakespeare’s plays to inspire new twist (4)’?

Cryptic crossword grid 132

Cryptic chemistry crossword #132

Sponsored by , By

Could this cryptic chemistry crossword be a ’partial scam used by the philosopher (5)’?

Cryptic crossword grid 131

Cryptic chemistry crossword #131

Sponsored by , By

While this cryptic chemistry crossword may leave you ’Initially aggrieved, some hope remains (3)’

Wordoku grid 143

Chemistry wordoku #143

Sponsored by

Find the small regulatory protein hidden in the solution to this sudoku-style puzzle

Wordoku grid 142

Chemistry wordoku #142

Sponsored by

A 2019 Nobel laureate lurks in the solution to this sudoku-style puzzle

Wordoku grid 141

Chemistry wordoku #141

Sponsored by

The solution to this sudoku-style puzzle hides a metabolite named after a Japanese flower

Quick crossword grid 103

Quick chemistry crossword #103

Sponsored by , By

Egg experts will find this quick chemistry crossword eggstra eggciting

Quick crossword grid 102

Quick chemistry crossword #102

Sponsored by , By

Galvanise yourself to solve this quick chemistry crossword

Quick crossword grid 101

Quick chemistry crossword #101

Sponsored by , By

Indian and Danish physicists meet British astronomers and evolutionary biologists in this quick chemistry crossword 

Jumbo 2025 quick crossword grid

Jumbo quick crossword 2025

Sponsored by , By

An extra large edition of our quick chemistry crossword

Quick crossword grid 100

Quick chemistry crossword #100 - Shimadzu special

Sponsored by , By

Search for solutions in this special Shimadzu-themed quick chemistry crossword