The free download wasn't a game. It was an invitation. And you had already RSVP'd.
The developer has released a limited on Steam. This demo offers roughly 45–60 minutes of gameplay, including the opening sequence and the first string-cutting mechanic. Dawn of Marionette VR Free Download
You can download Dawn of Marionette VR for free from [insert link or platform]. Make sure to check the system requirements to ensure a smooth gaming experience. The free download wasn't a game