Last Kids on Earth Crossword

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Across
  1. 4. someone you can rely on
  2. 5. something you do with friends
  3. 8. something scary
  4. 9. a house in a tree
Down
  1. 1. undead
  2. 2. playful
  3. 3. delicious and round
  4. 6. smaller than a city
  5. 7. protect yourself
  6. 10. listen to music on it