Cosmic vocabulary
Space Word Search
Planets. Stars. Galaxies. Astronauts.
Find them all in a free puzzle.
Or explore
The flow
Three steps to launch
- 01Pick a difficulty.Easy is horizontal and vertical. Medium adds diagonals. Hard adds backwards. Bigger grids fit more cosmic vocabulary.
- 02Find the space words.Planets, stars, galaxies, missions, astronauts, equipment, phenomena. The word list is curated for the theme — no fluff.
- 03Build your own or move on.Print the puzzle, send a link to a friend, build a custom space puzzle from your own word list, or jump to another theme.
Where to go from here
Four ways to play space
Space Theme — Play Now
The full space word search experience. Pick size and difficulty, find the cosmic words.
Science Theme
Adjacent vocabulary — physics, chemistry, biology terms. Pairs naturally with space.
Printable Space Puzzles
Free PDFs ready to print — perfect for classrooms, road trips, or rainy days.
Build a Custom Space Puzzle
Type your own list — your favorite planets, missions, or sci-fi words. Get a shareable link.
Questions
The honest part
What kinds of words are in a space word search?
Planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune), stars and constellations, galaxies, moons, astronauts and missions (Apollo, Artemis, ISS), equipment (rocket, telescope, satellite), and cosmic phenomena (nebula, supernova, eclipse, comet).
How many words are in each puzzle?
It depends on grid size — typically 12 words on a 10×10 grid, 18 on a 15×15, up to 24 on a 20×20. The custom builder lets you set your own word count up to 25.
Can I make my own space-themed puzzle?
Yes. Open the custom builder, type your space words (one per line or comma-separated), pick a grid size, and you’ll get a playable puzzle plus a shareable link in seconds.
Are there other space-related themes?
Yes. Science covers physics, chemistry, and biology. Technology covers computers and engineering. Geography covers Earth-based exploration. All three pair well with the Space theme if you want a longer themed run.
Can I print a space word search?
Yes. Every puzzle has a Print button that exports a clean printable layout, and the printable archive has pre-made space puzzles in 10, 15, 20, and 25-word counts.