This list is incomplete
Several images taken from base game - see Unciv credits
Credit given whenever I know the source of an image - if you spot one you recognize, let me know the source!
Lots of art, including unit icons and Natural (Ancient) Wonder pixel art, believed to be by 9kgsofrice
Lots and lots of pixel art, including Rubble, Ruins, tile improvements, and unit sprites, by GeneralWadaling, AKA The Bucketeer
Base terrains by AdityaMH
May contain art by LynxRo
Borough and Hexlock art by Sullien
Mining Pit art by ekids789789#4813 on Discord
Space Station Wreckage, Quadcopter Drone, Modular island, and Artificial glacier pixel art by Indonesian Gentleman, AKA greensniperhat
VTOL Gunship unit icon by Indonesian Gentleman
Plenty of pixel art, including different unit styles and all Afrikan units, by ReallyBasicName
Some minor edits made by me
Buildings:
- Aluminum Smelter: Metallurgy by Template, TH
- Arcology Dome: dome by Lluisa Iborra, ES
- Arcology Project: City by iconcheese
- Atomic Pile: decay heat by Olena Panasovska, UA
- Bike Path: Bike Path by Iconathon, US
- Black Site: jail by Zach Bogart, US
- Biosphere Project: biosphere by Cuputo, ID
- Bunker: Bunker by Salaidinovich, TR
- Calutron: sensor by Robert Bjurshagen, SE
- Clan Hideout: Bunker by IcoLabs, BR
- Club Chapter: Jacket by Eugene Belyakov, TH
- Condenser Cooler: Based on nuclear power by ProSymbols, US
- Cryo Sanctum: Cryogenic Vault by Brandon Gamm, US
- Discipline Camp: whip by Danil Polshin, RU
- Domesday Project: based on Book by scott desmond, FR, and UK by Tom Walsh, GB
- Earthscraper: skyscraper by iconcheese, adapted slightly
- Earthscraper Project: Skyscraper by Maxim Kulikov, adapted slightly
- Eco-Sanctuary: national park award by Juraj Sedlák
- Electrostatic Generator: generator by WiStudio, TH
- Explore Underwater City: sea level rise by Luis Prado, US
- Field Office: agency by Tomasz Pasternak, PL
- First Chapter: Piston by roni pambudi, ID
- Food Lab: lab by Paonkz, ID
- Frumentarii Camp: military tent by Koson Rattanaphan, TH
- Fusion Reactor: Nuclear Reactor by Robert Bjurshagen, SE
- Garage: Garage by Andi Nur Abdillah, ID
- Greywater Treatment Plant: Water Filter by Vectors Market
- Jamci: based on post station by Agus Rene, ID
- Landing Beacon: Satellite Dish by huijae Jang, KR
- Launchpad: launchpad by Dániel Z. Aczél
- Listening Post: peeping tom by Luis Prado, US
- Medical Network: medical symbol by VectorsLab, PK
- Mining Operation: canyon by iconfield, ID
- Mobile Encampment: camp by Vectors Point, PK
- Moonshinery: Moonshine by Andrew Nielsen, AU
- Naadam Square: arena by Icons Cart, PK
- Oasis Atoll: paradise island by Nicole Hammonds, US
- Open the Vault: Cave by Bakunetsu Kaito
- Pit of Sacrifice: Mass Grave by Dan Hetteix, US
- Place of Order: Mongolia by WiStudio, TH
- Publishing House: Bookstore by AmruID, ID
- Rainwater Purifier: Filter Water by denimao, ID
- Reactivate Underwater City: rising sea level by Eucalyp
- Reclamation Vats: compostable by Luca Reghellin, IT
- Refugee Center: Refugee Camp by OCHA Visual, US
- Research Underwater City: Flood by seuk eumeu, FR
- Resource Management Server: servers by Jack Bloomfield, GB
- Salvage Space Station: space station by Hey Rabbit, TH
- Search Shelters: Shelter by Manuel Dixken, DE
- Seastead: Oil Platform by Creative Stall, PK
- Skunkworks: Skunk by Liliane Lass Erbe, BR
- Smart Grid: power line by Pause08, TH
- Software Lab: Software by Aficons, ID
- State Archive: national museum by Amethyst Studio, TH
- Syngas Plant: gas plant by ProSymbols, US
- The Green Palace: factory green by Eucalyp
- The Last Paradise: Bird of Paradise by Kevin, US
- Uranium Centrifuge: centrifuge by Carl Holderness, GB
- Urine Recycler: urine by Llisole
- Vegetable Apparatus: hydroponic by Muhammad Nur Auliady Pamungkas, ID
- Virtual Panopticon: panopticon by Gregor Cresnar
- Warnet: war by lakonicon, ID
- Yassa: Scroll by ramacae, ID
Nations:
- Prasiddh Shahar: Trident by Studio 365, TH
- Proklyatyye: skeleton hand by Vectors Market
Policies:
- Cybernetics: cyborg by ImageCatalog, RU
- Entrepreneurship: Entrepreneur by Kiran Shastry, IN
- Eugenics: join by Michal Kučera
- Weather Engineering: weather by Adrien Coquet, FR
Promotions:
- Mountaineer by Lars Meiertoberens, DE
- Powered Armor: Power Glove by Robert Bjurshagen, SE
Religions:
Resources:
- Cactus: Cactus by hibernut, ID
- Cobalt: Cobalt by Gregor Cresnar
- Deep-sea Fish: anglerfish by Danil Polshin, RU
- Furs: Rat by designer468, ID
- Honey: Beehive by Juraj Sedlak, SK
- Hogs: Boar by parkjisun
- Jellyfish: Jellyfish by Eliricon, FI
- Lithium: alkaline by JuliAya, ID
- Plankton: Plankton by Lars Meiertoberens, DE
- Stimulants: vaccine by Icon Market, PK
Technologies:
- Decryption: encryption by IconPai, IN
- Ecotheory: ecology science by Soremba, DE
- Full-Spectrum Dominance: techonology war by WiStudio, TH
- Geo Engineering: geological by Nithinan Tatah, TH
- Hoplology: Scroll by lastspark, KZ
- Hydroponics: Hydroponics by Krisada, TH
- Moisture Harvesting: fog harvesting by Side Project, ES
- Mountain Exploration: adventure by Ben Markoch, US
- Record Keeping: codex by GrinnUX, US
- Rewilding by Good Father, ID
Units:
- 4x4: Jeep by Luis Prado, US
- Agbarya: blunderbuss by Amethyst Studio, TH
- Attack Boat: warship by Phạm Thanh Lộc, VN
- Avatar: spacecraft by Daniela Baptista, PT
- Black Ops: cloth by Eucalyp
- Censor: Blind by Nubaia Karim Barsha
- Contaminator: respirator by Icongeek26, IN
- Corvette: warship by Abdul Wahhab
- Desolator: Astronaut by Melvin Salas, CR
- Drop Troops: jetpack by Nhor
- Exo-Trooper: space marine by Robert Bjurshagen, SE
- Forward Observer: Motorcycle by Abdul Wahhab
- Gbeto: antlers by TRAVIS BIRD, US
- Gohento: bow by wisnu ayubkhan, ID
- Gravity Turret: Tank by Vectorstall, PK
- Gulohento: black caiman by Phạm Thanh Lộc, VN
- Heavy Carrier: Aircraft Carrier by Amethyst Studio, TH
- Jet Boat: Jet Ski by Mello
- Jet Rover: army vehicle by Icongeek26, IN
- Jetsuit: jetpack by iconnect, ID
- Light Drone: Drone by Blaise Sewell, US
- Missile Defense System: Air Defense Missile Launcher by usubaliev, TR
- Mutant: hunchback posture by Pelin Kahraman, TR
- Nyekplohento: dagger by Eucalyp
- Purge Robot: space marine by Robert Bjurshagen, SE
- Quadcopter Drone: Quadcopter by kareemov1000, ID
- Rider: Wheel by Alina Oleynik
- Slave Trader: boss by DinosoftLab
- Stasis Cruiser: warship by Andrejs Kirma, LV
- Stealth Fighter: F-22 by RomanP, US
- Torpedo Boat: speedboat by Silviu Ojog, RO
- Tsar Bomba: atomic bomb by Muhammad Atiq, PK
- Vyomanaut: Astronaut by HA TAE WOONG, KR
- Wild Dog: Dog by Dennis Nicolai Andersen, DK
Tile improvements:
- Borehole: drill by Andrejs Kirma, LV
- Drum site: radioactive waste by b farias, CL
- Factory farm: silo by MHD AZMI DWIPRANATA, ID
- Filter pump: Water Pump by Marz Gallery, ID
- Offshore mine: oil rig by Geni Alando
- Trench: dent by Andrejs Kirma, LV
- Tunnel: Tunnel by Angelo Troiano, IT
- Yurt: Yurt by M. Oki Orlando, ID
Icons:
- Faith icon: Thought by Hea Poh Lin, MY
Buildings:
- Community Garden: Community by inipagistudio
- Decontamination Center: Shower by Freepik
- International Trade Center: Industry by Freepik
Units:
- Sky Cruiser: Zeppelin by Freepik
- Warhead Truck: based on Military Truck by iconixar
Nations:
- New Afrika: Fist
Policies:
- Mutagens: GHS-pictogram-silhouette
Technologies:
- Decontamination: Biohazard symbol
- Energy Weapons: Laser-symbol
Banner and Preview image: from the defunct Gone with the Blastwave by Kimmo Lemetti