@GameTommy @noufnouf That is a problem with certain versions of 64-bit Firefox (either old Windows versions or all Linux versions) which don't support Context3D (see https://www.fxsitecompat.com/en-CA/docs/2016/flash-is-forced-windowless-mode-on-firefox-for-64-bit-windows-affecting-stage-3d/)
 "Bullet Heaven 2"){kind=icon}
 "You are a..."){kind=icon}
 "1924"){kind=icon}
 "Heir"){kind=icon}