with open("savefile.save", "rb") as f: f.seek(9) # skip header raw = zlib.decompress(f.read()) data = pickle.loads(raw) # modify data data['money'] = 500 new_raw = pickle.dumps(data) new_comp = zlib.compress(new_raw) with open("new_save.save", "wb") as out: out.write(b"Ren'Py S\0") out.write(new_comp)
Ren'Py saves are typically + optional screenshots and metadata. Repacking means decompressing, altering, and re-archiving them. renpy save repack
If you just want to edit game variables, use Ren'Py's ( Shift+O ) or developer menu ( Shift+D ) – no repacking needed. with open("savefile