hello, i want to unpack (and repack) files from school days games.
This files are .gpk file and may be the game (school days) use ADVSystem engine.
I try to unpack with crass software and for gpk file crass say that the engine is ADVSystem (ADVSystem .GPK weak magic: .PK .TPK .WPK .MPK .PK0 .PKA .PKB .PKC .PKD )
but crass can not to unpack the files.
thank you in advance, my goal would be to translate the game.