(likely the 2016 version or a classic collection) on the , as ".NSP" is the standard file format for Switch digital game packages.
id Software and Bethesda Softworks
There is no "v1.0.4" or higher for the original DOOM on Switch. Update 1.0.3 is the final, definitive version of the game before id Software moved on to DOOM Eternal . DOOM -NSP Update 1.0.3-