Video game creation

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Across
  1. 3. / Development tool
  2. 5. / Video game and a sample of a video game
  3. 7. / Draws stuff
  4. 9. / Period of the development of a video game
  5. 12. / First version of the game
  6. 14. / The way you play the game
  7. 15. / Things that you find when you think (or not)
Down
  1. 1. / Serie of video games
  2. 2. / Video to promote the game
  3. 4. / Many, many ideas in the same room !
  4. 6. / Gives you a certification in Europe
  5. 8. / Writes lines to make the game work
  6. 10. / Concept
  7. 11. / Weird concept
  8. 13. / Second version of the game