Sudoku JS
Upstream: https://github.com/baruchel/sudoku-js
Revision: e9df285e5c8e101956f44785d9a5f533e1c397e4
License: MIT
Retain Thomas Baruchel MIT notice plus bundled jQuery/Ionic/font notices. Fonts/images need provenance review; root license does not independently inventory each.

Local changes: packaged for the Ordi.World local arcade; optional external analytics/social widgets may be removed; local paths/dependency loading may be repaired. Original game remains credited to its authors. No author endorsement is implied.
Corresponding upstream source archive: upstream-source.zip