Credits
A list of the image assets on this site whose license requires attribution, or that we wanted to credit anyway.
| Asset | Author / source | License | Notes |
|---|---|---|---|
| Icons (Material Symbols) | Apache License 2.0 | Used for on-screen icons | |
| Playing card art (Playing Cards Pack) | Kenney | CC0 1.0 | Attribution is not required, but we are crediting Kenney anyway. |
| Hanafuda card art | Louie Mantia (source: Wikimedia Commons — Category:SVG Hanafuda) | CC BY-SA 4.0 | Unmodified. Resized only for display. |
| Playing card art | Linux_dr (source: Wikimedia Commons — English pattern playing cards deck PLUS CC0.svg) | CC0 1.0 | Modified (recolored by suit, enlarged corner indices). |
| Shogi piece art (kanji, default for Japanese) | Ka-hu (source: kanji_light from lishogi) | CC BY 4.0 | Unmodified. Only comments and metadata were stripped for delivery. |
| Shogi piece art (symbols, default for English) | CouchTomato87 (source: international from lishogi) | CC BY 4.0 | Unmodified. Only comments and metadata were stripped for delivery. |
| Chess piece art | Colin M.L. Burnett (source: Wikimedia Commons — Category:SVG chess pieces) | BSD 3-Clause | Unmodified. Minified and given a viewBox for delivery. |
| Mahjong tile art | FluffyStuff / riichi-mahjong-tiles | CC0 1.0 | Unmodified. Comments and whitespace stripped, and width/height removed from the root element for delivery. |
2026-09-13 / Qdan, Inc. / contact@qdan.co.jp
Last updated 2026-09-13 · Run by Qdan, Inc.