It looks like you’re referencing a file for on the Nintendo Switch. This specific naming convention ( .nsp inside a .rar archive) is common in the digital backup and homebrew community for installing games directly to a console. 🎮 Game Overview: Gang Beasts
Unofficial files can contain malware or lead to a console ban if used online while connected to Nintendo servers. Gang Beasts (NSP)(eShop).rar
If you downloaded this from a third-party site rather than the official Nintendo eShop: It looks like you’re referencing a file for