Comment by eps

All sample games show an error:

  Object.hasOwn is not a function. (In 'Object.hasOwn(e,A.from)', 'Object.hasOwn' is undefined)

  The stack trace is:

  su@https://www.boardzilla.io/build/_shared/chunk-ZEYFFM3P.js:16:114536
  Fs@https://www.boardzilla.io/build/_shared/chunk-QNN53S6I.js:9:128279
  Ch@https://www.boardzilla.io/build/_shared/chunk-QNN53S6I.js:11:180657
  ...

Perhaps put some polyfill in place?