It is extremely risky. The multiplayer mode (Battlemode) requires a connection to Nintendo's servers. Playing a non-legit copy online is the fastest way to trigger a hardware ban.
DOOM Eternal has separate NSP files for updates (e.g., version 1.6) that must be installed on top of the base game to access new content or fixes. Installation Tools: Common homebrew tools like doom eternal nsp
For those unfamiliar, NSP stands for "NSP file," which refers to the file format used by the Nintendo Switch to distribute and install games. In the context of Doom Eternal, NSP refers to the Switch version of the game, which can be purchased and downloaded from the Nintendo eShop. It is extremely risky
An NSP file is an official digital package format used by Nintendo to distribute games through the Nintendo eShop. For modified or custom firmware (CFW) users, a represents the digital copy of the game that can be installed directly to the console's MicroSD card. DOOM Eternal has separate NSP files for updates (e
An NSP file is the digital version of a Switch game, analogous to a .apk file on Android. NSP stands for "Nintendo Submission Package," the format used by developers to submit games to the eShop and what your console downloads when you purchase a game.