The .zip format indicates a portable PC version that typically does not require a traditional installation process. To run the game:
Because it is an early build, it is recommended to keep backups of your save files, as future updates (such as the more recent v0.37) may require manual transfers or new game starts depending on the engine changes. Pandora's Box 2 Walkthrough Guide | PDF - Scribd
Measures the moral shift of the Girlfriend character.