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 Shimadzu, a global leader in precision analytical instrumentation.
Shimadzu celebrate their 150th anniversary in 2025
Our top puzzle
Nobel prize crossword 2025
Test your Nobel nous with this chemistry-themed crossword
Cryptic chemistry crossword #113
‘Finished some hoovering (4)’? Then you’ll have time for this cryptic chemistry crossword
Cryptic chemistry crossword #112
Can you find the ‘Spy connection (4)’ in this cryptic chemistry crossword?
Cryptic chemistry crossword #111
‘Physicist dares strongman to change (6, 8)’ in this cryptic crossword
Cryptic chemistry crossword #110
‘Manage to oddly ignore arguing (3)’ by distracting yourself with this cryptic crossword
Quick chemistry crossword #099 - Lab Innovations 2025 special
Look ahead to this year’s Lab Innovations event with a bumper quick crossword.
Quick chemistry crossword #098
From a mission to Saturn’s moons to a marine mollusc, this quick chemistry crossword will test your knowledge
Quick chemistry crossword #097
This quick chemistry crossword condenses clouds of ions, a dash of Queen Anne’s lace, and a liqueur-laced current into one electrifying challenge.
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.
Chemistry wordoku #121
Discover the Australian Nobel laureate hidden in this sudoku-style puzzle
Chemistry wordoku #120
Flex your problem-solving skills with this sudoku-style letter puzzle
Chemistry wordoku #119
Uncover the bioinorganic chemist hidden in the solution to this sudoku-style puzzle