gold_mine.png:
    https://opengameart.org/content/gold-mine
    License(s): CC-BY-SA 3.0, GPL 2.0
    Author: Jinn

worker_with_gold.png:
worker_with_lumber.png:
worker.png:
    https://opengameart.org/content/germanic-worker
    License(s): CC-BY-SA 3.0, GPL 2.0
    Author: b_o

summer_pine_tree_tiles.png:
    https://opengameart.org/content/pine-tree-tiles
    License(s): CC-BY-SA 3.0, GPL 2.0
    Author: b_o

grass.png:
Prototyping Tiles.png:
    https://opengameart.org/content/texture-to-tile-project
    License(s): CC-BY 3.0, CC-BY-SA 3.0, GPL 3.0, GPL 2.0, OGA-BY 3.0
    Author: The Chayed

pointer.bmp:
    https://opengameart.org/content/iron-plague-pointercursor
    License(s): CC-BY 3.0
    Author: Daniel Cook

saxon_swordsman.png:
    https://opengameart.org/content/saxon-swordsman
    License(s): CC-BY-SA 3.0, GPL 2.0
    Author: b_o

barracks.zip:
    https://opengameart.org/content/6-isometric-buildings:
    License(s): CC-BY-SA 3.0
    Author: Scribe

ui_sheet.png:
    https://opengameart.org/content/sci-fi-user-interface
    License(s): CC0
    Author: Buch

sprFont.png:
    https://opengameart.org/content/kl-font
    License(s): CC0
    Author: Kelvin Shadewing

archer.png:
    https://opengameart.org/content/germanic-archer
    License(s): CC-BY-SA 3.0, GPL 2.0

acknowledge_01.wav:
acknowledge_02.wav:
selected_01.wav:
    https://opengameart.org/content/proto-germanic-voices
    License(s): CC0
    Author: Manuel Senfft