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How it works

  1. Type your own words and clues, or pick a topic and a level from the library.
  2. The grid builds itself as you go. Drag words to move them, lock the ones you like, and re-roll the rest.
  3. Print or download the PDF: the puzzle, the clues and an answer key. Or share a link to solve it online.

Free, with nothing to install and no sign-up. Everything happens in your browser: your words never leave your computer.

Hexagonal crosswords: words in three directions

Arrowwords: the clues are in the grid

Shaped crosswords: hearts, stars, words and pictures

Fill-in puzzles: no clues, just fit the words in

Codewords: crack the code, letter by letter

Barred crosswords: bars instead of black squares

3D cube crosswords: words that turn the corner

Circular and spiral crosswords: round the rings, in along the spokes

Words in the Science list

ATOM · CELL · MAGNET · ENERGY · EXPERIMENT · LABORATORY · MICROSCOPE · THEORY · EINSTEIN · NEWTON · DARWIN · CURIE · GALILEO · OXYGEN · HYDROGEN · CARBON · ELEMENT · MOLECULE · ELECTRON · PROTON · NEUTRON · NUCLEUS · GAS · LIQUID · SOLID · FORCE · FRICTION · GRAVITY · ACID · ALKALI · BIOLOGY · CHEMISTRY · PHYSICS · GENE · DNA · EVOLUTION · HYPOTHESIS · BEAKER · TEST TUBE · BUNSEN · CIRCUIT · VOLT · WATT · FOSSIL · MAMMAL · OSMOSIS · PHOTOSYNTHESIS · CATALYST · ISOTOPE · INERTIA · SCIENTIST · GOGGLES · MAGNIFYING GLASS · ACCELERATION · ADAPTATION · AMMONIA · AMPERE · AMPLITUDE · ANALYSIS · ANATOMY · ANTIBODY · ARGON · BACTERIA · BOILING POINT · BOTANIST · BURETTE · CARBON DIOXIDE · CENTRIFUGE · CHEMICAL · CHROMOSOME · CLASSIFY · COMPOUND · CONCLUSION · CONDENSE · CONVECTION · CRYSTAL · DECIBEL · DENSITY · DIFFUSION · DISTIL · ELECTRICITY · EMBRYO · ENZYME · ETHANOL · EVAPORATE · FAHRENHEIT · FERMENT · FREEZE · FUSE · GENETICS · GENOME · GEOLOGY · GERM · GLUCOSE · HALF LIFE · HELIUM · HERTZ · HEREDITY · IGNEOUS · INSULATOR · ION · JOULE · KELVIN · KINETIC · LASER · LITMUS · MAGNIFY · MATTER · MEASURE · MELTING POINT · METAL · MICROBE · MINERAL · MIXTURE · MOMENTUM · NITROGEN · OBSERVE · OHM · OPTICS · ORGANISM