Copyright: jhnri4, 2010
License: Public domain
Files:
button-normal.svg
button-pressed.svg

Copyright: Timothée Giet, 2015
License: CC-BY-SA 4.0
Files:
door_closed.svg
door.svg
maze_bg.svg

Copyright: Holger Kaelberer, 2015
License: CC-BY-SA 4.0
Files:
ball.svg
hole.svg
