parabolaicon.png
  Author:       Jorge Araya Navarro
  Licence:      CC BY-SA 3.0 Unported
  Fetched from: https://git.parabola.nu/artwork.git/tree/?h=official/2018

bug-report.png
  Author:        'Master484' http://m484games.ucoz.com/
  License:       CC0 https://creativecommons.org/publicdomain/zero/1.0/
  Derrived from: https://opengameart.org/content/old-bugs
