can confirm. very slow. here's the output I got on Debian 13 on an older i5, but it doesn't look like it's telling us very much.
./Small-RPG
libEGL warning: DRI2: failed to authenticate
VMware: No 3D enabled (0, Success).
libEGL warning: egl: failed to create dri2 screen
VMware: No 3D enabled (0, Success).
libEGL warning: egl: failed to create dri2 screen
** (WebKitWebProcess:2822): WARNING **: 14:52:20.184: The GStreamer FDK AAC plugin is missing, AAC playback is unlikely to work.