Astroner-(usa)-nswtch-[base]-nsp-ziperto.rar Link

The file you mentioned, ASTRONER-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar , appears to be a compressed archive containing a digital backup of the space exploration game for the Nintendo Switch. Specifically, the tags in the filename indicate it is the USA region base game in NSP format , likely sourced from the distribution site Ziperto . Key File Information

Common installers for these files include Awoo Installer, Goldleaf, and Tinfoil. ASTRONER-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar

This is the "Nintendo Switch Package" format, which functions like a digital eShop installer. The file you mentioned

To use an NSP file, your Nintendo Switch must be running . ASTRONER-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar