PATH: NAME - HYPERLINK - LICENSE

data/images/duckie.png: ChickenTeddy - https://opengameart.org/content/duckie - CC-BY 4.0
data/images/measure001a.png: KenneyNL - https://www.kenney.nl/assets/prototype-textures - CC0
data/images/tongue.png: KenneyNL - ? - CC0