If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/arcades/

File Font Version : 

1. Arcades.otf
2. Arcades.ttf
3. Arcades.woff
4. Arcades Italic.otf
5. Arcades Italic.ttf
6. ArcadesItalic.woff