: If the user has an older "free" version, the downloader only fetches the new "Lemma" feature files rather than the whole package. 2. "Free-to-Paid" Progression Bridge

Instead of a direct .zip link, implement a lightweight "Bootstrap" installer.

: Use the Steamworks API to manage the "Free Download" as a official demo, which allows for easy "Add to Wishlist" conversion. If you'd like, I can help you with: The C# or C++ code for a basic version-checking script. A landing page layout optimized for conversion. Advice on hosting providers for large game files.

You can only play Particle Clicker on your mobile device in landscape orientation.