- Thanks to https://opengameart.org/content/16x16-weapon-sprites-free
- Thanks to https://www.fantasy-faces.com/
- dirt.png by kqedquest is licensed with CC BY-NC 2.0
- stone_axe.png by https://commons.wikimedia.org/wiki/File:Stone_tools,_Neolithic_or_Copper_Age,_City_of_Prague_Museum,_175541.jpg
- hare.png by https://commons.wikimedia.org/wiki/File:EB1911_-_Hare_Fig_1.png
- pheasant.png by https://commons.wikimedia.org/wiki/File:Reed-ring-necked_pheasant.png
- moorhen.png by https://commons.wikimedia.org/wiki/File:The_Natural_History_of_Selborne,_and_the_Naturalist%27s_Calendar_-_The_Common_Moorhen.png
- boar.png by https://commons.wikimedia.org/wiki/File:The_Hog_-_The_Wild_Boar.png
- deer.png by https://commons.wikimedia.org/wiki/File:RedDeerStag.jpg
- fresh_water.png by Alex(inyoureyes) is licensed with CC BY-NC-SA 2.0
- salter_water.png by ErrorTribune is licensed with CC BY-SA 2.0
- sand.png by Relentlessly is licensed with CC BY-NC-ND 2.0
- mud.png by Julien Harneis is licensed with CC BY-SA 2.0
- wood.png by npr-photography is licensed with CC BY-NC 2.0
- fruits.png by DeusXFlorida (11,059,330 views) - thanks guys! is licensed with CC BY 2.0
- beach.png by sabl3t3k is licensed with CC BY-NC-ND 2.0
- jungle.png by Accretion Disc is licensed with CC BY 2.0
- hill.png by Cost3l is licensed with CC BY 2.0
- plain.png by glennharper is licensed with CC BY-NC-SA 2.0
- mountain.png by barnyz is licensed with CC BY-NC-ND 2.0
- shellfish.png by Virginia Sea Grant is licensed with CC BY-ND 2.0
- meat.png by ornello_pics is licensed with CC BY 2.0
- cooked_meat.png by Let Ideas Compete is marked under CC PDM 1.0
- dried_meat.png by https://pixy.org/4783058/
- raw_brick.png by https://et.wikipedia.org/wiki/Fail:Mudbricks_in_Palestine_2011.jpg
- fired_brick.png by https://commons.wikimedia.org/wiki/File:Fallen_bricks.jpg
- campire.png by https://commons.wikimedia.org/wiki/File:Montana_16_bg_062406.jpg
- dirt_kiln.png by A.Davey is licensed with CC BY 2.0
- raw_brick_kiln.png by Lon&Queta is licensed with CC BY-NC-SA 2.0
- fired_brick_kiln.png by djwtwo is licensed with CC BY-NC-SA 2.0
- raw_copper.png by James St. John is licensed with CC BY 2.0
- raw_tin.png by https://en.wikipedia.org/wiki/File:Cassiterite09.jpg
- raw_iron.png by Gideon is licensed with CC BY-NC-SA 2.0
- copper.png by https://en.wikipedia.org/wiki/File:NatCopper.jpg
- tin.png by https://commons.wikimedia.org/wiki/File:Sn-Alpha-Beta.jpg
- iron.png by https://commons.wikimedia.org/wiki/File:Widmanstatten_hand.jpg
- bronze_cuirass.png by mharrsch is licensed with CC BY 2.0
- iron_cuirass.png by https://en.wikipedia.org/wiki/File:Indian_steel_cuirass_17th_to_18th_century.JPG
- leather_shield.png by https://commons.wikimedia.org/wiki/File:Glagwa_shield.jpg?uselang=fr
- copper_shield.png by https://commons.wikimedia.org/wiki/File:Amphora_phalanx_Staatliche_Antikensammlungen_1429.jpg?uselang=fr
- bronze_shield.png by https://pt.wikipedia.org/wiki/%C3%81spide#/media/Ficheiro:Boucliers_grecs_Arverniales_2011.JPG
- clutter_axe.png by https://fr.wikipedia.org/wiki/%C3%82ge_du_cuivre#/media/Fichier:ReconstructedOetziAxe.jpg
- bronze_axe.png by https://fi.wikipedia.org/wiki/Putkikirves#/media/Tiedosto:Kultura_%C5%82u%C5%BCycka,_lusatian_culture.JPG
- iron_axe.png by https://de.wikipedia.org/wiki/Streitaxt#/media/Datei:Dane_Axe.JPG
- stone_dagger.png by https://commons.wikimedia.org/wiki/File:Poignard_0.188.1_2_fond.jpg?uselang=fr
- copper_dagger.png by https://commons.wikimedia.org/wiki/File:Celtic_dagger,_scabbard_and_buckle.JPG?uselang=fr
- bronze_dagger.png by https://commons.wikimedia.org/wiki/File:Celtic_dagger,_scabbard_and_buckle.JPG?uselang=fr
- iron_dagger.png by https://commons.wikimedia.org/wiki/File:Pu%C3%B1al_%C3%ADbero_de_front%C3%B3n_(M.A.N.)_01.jpg?uselang=fr
- spindles.png by https://en.wikipedia.org/wiki/Spindle_(textiles)#/media/File:Drop_spindles.jpg
- rouet.png by https://fr.wikipedia.org/wiki/Rouet_(outil)#/media/Fichier:M0354_2-084-56_2.jpg
- flour.png by https://commons.wikimedia.org/wiki/File:Flours.jpg?uselang=fr
- bread.png by https://fr.wikipedia.org/wiki/Pain#/media/Fichier:Rumali_Roti_in_Afghanistan.jpg
- littlefishnet.png by https://commons.wikimedia.org/wiki/File:A_Fisherman_at_work.jpg?uselang=fr
- Mortier_Pillon.png by https://commons.wikimedia.org/wiki/File:Mortier_Pillon.jpg?uselang=fr
- wool.png by https://commons.wikimedia.org/wiki/File:Dyed_wool.jpg?uselang=fr
- charcoal.png BY https://commons.wikimedia.org/wiki/File:Charcoal_9.jpg?uselang=fr
- fish.png by https://commons.wikimedia.org/wiki/File:Ensenada_fish_market_2.jpg?uselang=fr
- anvil.png by https://fr.wikipedia.org/wiki/Enclume_(outil)#/media/Fichier:Enclume.JPG
- cereals.png by https://fr.wikipedia.org/wiki/C%C3%A9r%C3%A9ale#/media/Fichier:Panicum_miliaceum0.jpg
- vegetal_canteen.png by https://commons.wikimedia.org/wiki/File:2_gourdes_MHNT_ETH_AC_NC_85_Nouvelle_Cal%C3%A9donie_Sav%C3%A8s.jpg?uselang=fr
- hunt_bow.png by https://search.openverse.engineering/photos/e451823f-cc99-4ac1-916e-3901d6784caa
- raw_clay_jar.png by "Venice Pottery" par DragonWoman est sous licence CC BY-NC-ND 2.0
- clay_jar.png by "Jars" par oatsy40 est sous licence CC BY 2.0
- clay.png by "Clay" par shorty76 est sous licence CC BY-NC-ND 2.0
- travois.png by https://commons.wikimedia.org/wiki/File:Kainai_travois.jpg?uselang=fr
- basketry_bag.png by https://en.wikipedia.org/wiki/Basket_weaving#/media/File:Woman_weaving_baskets_near_Lake_Ossa.jpg
- stone_spear.png by https://commons.wikimedia.org/wiki/File:Spear_and_knife_(Mesa_Verde_National_Park)-transparent.png
- copper_spear.png by https://commons.wikimedia.org/wiki/File:Copper_spear_points,_Late_Archaic_period,_Wisconsin,_3000_BC-1000_BC_-_Wisconsin_Historical_Museum_-_Wisconsin_Historical_Museum_-_DSC03442.JPG
- bronze_spear.png by https://picryl.com/media/bronze-spear-butt-463c9a
- iron_spear.png by https://picryl.com/media/boar-spear-3e9a90
- wood_mace.png by https://fr.wikipedia.org/wiki/Casse-t%C3%AAte_(Iroquois)#/media/Fichier:Casse-T%C3%AAte_(Fort_Niagara).jpg
- anvil.png by https://commons.wikimedia.org/wiki/File:Enclume.JPG?uselang=fr
- stone_anvil.png by https://commons.wikimedia.org/wiki/File:Roman_Stone_Anvil_for_Ore-Crushing_Stamp_Battery.jpg
- venus.png by https://commons.wikimedia.org/wiki/File:Venus_von_Willendorf_01.jpg?uselang=fr
- beche.png by https://commons.wikimedia.org/wiki/File:Jean-Fran%C3%A7ois_Millet_-_Les_deux_b%C3%AAcheurs_-_Tweed_museum.jpg?uselang=fr
- foin.png by https://commons.wikimedia.org/wiki/File:Eickemeyer_jr_1893.jpg
- dofoin.png by https://commons.wikimedia.org/wiki/File:Julien-Dupre-La-Faneuse-The-Haymaker.jpg?uselang=fr
- fourche.png by https://en.wikipedia.org/wiki/File:Peasants_3French_Best.jpg
- fleaugrain.png by https://commons.wikimedia.org/wiki/File:Lucien_Simon_Le_battage_des_bl%C3%A9s.jpg?uselang=fr
- totem.png from "Totem Polls" by kasio69 is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/?ref=openverse.
- wood_quarry_tools.png from https://commons.wikimedia.org/wiki/File:Wedge_(wig).jpg, https://en.wikipedia.org/wiki/File:Post_maul_-_20040819.jpg
- iron_quarry_tools.png from https://en.wikipedia.org/wiki/Wedge#/media/File:Wedge-1.jpg, https://en.wikipedia.org/wiki/Sledgehammer#/media/File:Sledgehammers-1.jpg
- stone_sickle.png by "Sofia - Archaeological Museum, neolithic sickles" by ukdamian is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/?ref=openverse.