Gamification

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Across
  1. 3. distance flown (2)
  2. 7. considering everything (2)
  3. 8. infinite
  4. 10. to give
  5. 11. what you get after hard work
  6. 12. allegiance to buying the same brand
  7. 15. happiness
  8. 16. in the meantime
  9. 17. interesting
  10. 18. accepting
Down
  1. 1. trendy expression
  2. 2. at the end of strings
  3. 4. membership proofs (2)
  4. 5. make progress
  5. 6. to scintillate
  6. 9. cut the grass (3)
  7. 13. fashion or fad
  8. 14. to disseminate