The v1.1 PC update is primarily a technical polish. Fans of the series will appreciate the added functionality like saving and skipping, which were notable omissions in the earlier web-based versions. If you are looking for the definitive way to play the complete sequel, this Ren'py distribution is the developer-recommended "official" version.
: The zip file includes both the new Ren'py version and the original HTML version, sharing the same image assets to keep the download size manageable. CtGwC-1.1-pc.zip
The file is available for download through the developer's Patreon page . CtGwC now in Renpy - Patreon The v1