This is a paid asset, but now you can download HD Common Icon Pack Free.
Detail this asset from Unity Store: Original Link
HD Common Icon Pack v1.2
“If possible, please buy the package to support the developer”
21 high detailed game icons in PNG format with transparent background. Every icon is about 512×512 pixels.
Feel free to ask us any questions. Also we will be happy to get from you any ideas about new icons: [email protected]
Thank you for attention.