Crossword3 levelsFree to print

Aliens crosswords for kids

Extraterrestrial life and UFO adventures. Every sheet is generated and checked before it reaches the page, and each one prints with its answer key.

Words in these puzzles
UFOMartianAntennaGalaxyBeamSaucerSignalPlanetProbeCosmicand 10 more

3 crosswords on this page

Every level is below with its answer key. Print the one you want; the others stay off the paper.

Easy Ages 4-6Medium Ages 7-9Hard Ages 10+

Aliens crossword: Easy

Ages 4-6

Read the clues and fill in the grid!
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2
3
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6

Across

  • 3. To take someone aboard a ship
  • 5. A living being from another world
  • 6. First meeting with alien life

Down

  • 1. Relating to the universe
  • 2. Shape of a flying disc
  • 4. When a spaceship touches ground

Aliens crossword: Medium

Ages 7-9

Read the clues and fill in the grid!
1
2
3
4
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9

Across

  • 1. Where aliens might come from
  • 6. Doorway to another dimension
  • 7. When a spaceship touches ground
  • 9. A living being from another world

Down

  • 2. Used to communicate with aliens
  • 3. To take someone aboard a ship
  • 4. First meeting with alien life
  • 5. An alien from Mars
  • 6. Where aliens might live
  • 8. Shape of a flying disc

Aliens crossword: Hard

Ages 10+

Read the clues and fill in the grid!
1
2
3
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5
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13

Across

  • 3. Powerful beam of focused light
  • 5. To take someone aboard a ship
  • 7. A living being from another world
  • 9. Message sent through space
  • 11. Used to communicate with aliens
  • 12. An alien from Mars
  • 13. Where aliens might live

Down

  • 1. Relating to the universe
  • 2. When aliens visit Earth uninvited
  • 4. Doorway to another dimension
  • 6. When a spaceship touches ground
  • 8. First meeting with alien life
  • 9. Shape of a flying disc
  • 10. Where aliens might come from

The whole aliens pack

All 5 activities on this theme in one printable file: maze, word search, crossword, word scramble and bingo.

Easy packMedium packHard pack

More aliens puzzles

The same words, four other ways to play.

Aliens mazes3 levels →
Aliens word search3 levels →
Aliens word scramble3 levels →
Aliens bingo3 levels →
Aliens cryptogram3 levels →

More space crosswords

AstronautsPlanetsRocketsMoonStarsMarsBlack HolesGalaxiesSpace StationCometsSolar System

About Aliens Crossword

Every Aliens crossword here is themed end to end, from the words to the challenge. Extraterrestrial life and UFO adventures. Kids meet words like probe, ufo and beam as they solve, and that repeated, low-pressure exposure is exactly how new vocabulary sticks.

You'll find this Aliens crossword in three difficulty levels - easy (ages 4-6), medium (ages 7-9), and hard (ages 10+) - each free to print with its own answer key. Working through them builds vocabulary, spelling, and clue-based reasoning, and because every level shares the same theme, siblings of different ages can play side by side.

Common questions

Are these aliens crossword puzzles free to print?+

Yes, completely free. No signup required. Print as many as you need for home or classroom use.

What age are aliens crosswords designed for?+

Easy crosswords (ages 4-6) have fewer clues and simple words. Medium (ages 7-9) adds more complexity. Hard (ages 10+) uses longer vocabulary and trickier clues.

Do the crossword puzzles come with answers?+

Yes. The answer key prints on a separate page with the completed grid so you can check work easily.