It is common to see searches for "Wreckfest ROM," "NSP," or "XCI" files when looking for Switch games. While digital backups (NSP files) are the standard format for installed Switch titles, it is important to approach this safely:
on the Nintendo Switch is a highly regarded port that successfully brings the game's complex soft-body damage physics and chaotic demolition derby racing to the handheld platform Core Gameplay and Port Quality wreckfest rom nsp update dlc switch game new