Category:ISO 15924:Zyyy

This category lists languages which use the Code for undetermined script script (or codet pour écriture indéterminée in French), coded Zyyy or 998 in ISO 15924 since 2004-05-29 [typology: special; main direction: —], supported by Unicode since version 1.1 with the alias Common (ref. : Ch6.2). See also Wikipedia:en:ISO 15924:Zyyy, Wikidata:Q104839687.
You can render that script on your system with the following fonts (in order of coverage): 'Noto Sans', Arimo, 'Avrile Sans', FreeSans, 'Segoe UI', Corbel, Gadugi, AfSans, 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', 'Microsoft Sans Serif', Arial, 'Arial Unicode MS', Helvetica, Unifont, 'Noto Serif', 'Avrile Serif', FreeSerif, Tinos, 'Lucida Serif', 'Times New Roman', Times, 'Lucida Console', 'Lucida Sans Typewriter', 'Lucida Typewriter Serif', 'Everson Mono', EversonMono, Code2000, Code2001, sans-serif.