Credits

Painting images and collection metadata are drawn from the Met Open Access program, which releases them under a Creative Commons Zero (CC0) designation. The game links to the museum’s object pages so players can consult the current catalogue records. This independent game is not operated by or endorsed by The Metropolitan Museum of Art.

Cleveland painting metadata and images are drawn from the museum’s Open Access program under the CC0 1.0 public-domain dedication. Only catalogue records marked CC0 with usable open-access JPEGs are included, and every answer links to the museum’s current object page.

Collection metadata and public-domain IIIF images are drawn from the Art Institute of Chicago API and Open Access program; the images are in the public domain and the metadata carries a CC0 designation. Only records marked public domain with a usable primary image are eligible.

Collection data, Place Executed terms, and open-access IIIF images are drawn from the National Gallery of Art Open Data program; the images are released under the Gallery’s open access policy. Image eligibility requires the published-image open-access flag.

Collection metadata and public-domain IIIF images are drawn from the SMK API. Record and media rights are retained and checked separately; only images under the Public Domain Mark 1.0 are eligible.

Collection metadata and public-domain IIIF images are drawn from the Getty’s collection data and Open Content Program. Only records whose images are released as open content under CC0 are eligible. Digital images courtesy of Getty’s Open Content Program.

Collection metadata and public-domain IIIF images are drawn from the Gallery’s European Art collection through Yale LUX under the university’s open access policy. Only works the Gallery marks as public domain with an open image are eligible.

The answers the game also accepts beside the Gallery’s labels cite views reported in Kanter and Palladino, Italian Paintings at the Yale University Art Gallery (2025); Sirén, A Descriptive Catalogue of the Pictures in the Jarves Collection (1916); Offner, Italian Primitives at Yale University (1927); and Boskovits and Di Resta, Italian Paintings of the Thirteenth and Fourteenth Centuries (2016).

Collection metadata is drawn from the Städel Museum Digital Collection OAI-PMH interface. Only records whose work and image both carry the Public Domain Mark 1.0 are eligible. The museum publishes its masters as full-resolution PNG files. Städel Museum, Frankfurt am Main.

Collection metadata and public-domain images are drawn from Mia’s open collection data and search API under the museum’s copyright and image access policy. Only works the museum marks as public domain with full image access are eligible.

Collection metadata is drawn from the museum’s online collection; images are the museum’s own public-domain uploads to Wikimedia Commons under the Public Domain Mark 1.0, released under the museum’s rights and reproductions policy. Only paintings with a museum-published open image are eligible.

Production-location evidence may use RKDartists Linked Open Data. Source links appear with revealed answers where an RKD record supports the result. RKD Linked Open Data is provided under the Open Data Commons Attribution License.

Some family relationships between artists, which can earn partial credit, are confirmed in the Getty Research Institute’s Union List of Artist Names. Contains information from the J. Paul Getty Trust, Getty Research Institute, Union List of Artist Names, which is made available under the ODC Attribution License.

The interactive map is rendered with Leaflet and MapLibre. Its customized OpenFreeMap Positron style uses the OpenMapTiles schema and map data from OpenStreetMap contributors. Low-zoom shaded relief and cached, generalized gameplay boundaries use Natural Earth. Gameplay boundaries are suitable for this game but should not be treated as authoritative modern or historical references.