Video games

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Across
  1. 2. to fire a gun
  2. 4. the pictures in video games
  3. 6. great, strong
  4. 7. a world
  5. 9. army, navy and air force
Down
  1. 1. go into
  2. 3. not real
  3. 5. an exciting experience
  4. 8. a creature from another world