unrpa
Extractor for RPA archives used by RenPy visual novel engine. Currently only version 3.0 of the archive format is supported.
Installation
unrpa can be built using the Nix package manager:
$ nix-build
Use nix-env to install it into your user profile after executing the previous command:
$ nix-env -i ./result
Usage
$ unrpa files...
Multiple files can be specified at once. The contents will be extracted into the current directory.