An NPA file is an archive format used by the Steins;Gate novel video game, developed by 5pb and Nitroplus. It contains game resources that are referenced for character voices or the game’s soundtrack. Examples of resource files included in an NPA file include JPG and PNG images for background or audio files.
NPA File format
The internal details of NPA file types are not available publicly.
Steins Gate is a series of acclaimed visual-novel adventure games created by 5 pb. It has also become the basis of several manga, an audio drama, and animated film. Some of these include Elite, Divergencies Assort, and Gate 0.