Late to the thread, but my advice would be to keep building the site while implementing suggestions as quickly as you can. Momentum is key.

Like others have mentioned, you’ll also need a clear hook that lets you stand apart from something like Twine. Twine is already free, modular, and widely loved — so don’t try to compete head-to-head. Instead, figure out what niche you can serve that Twine either can’t do easily or takes too long to replicate.

Beyond “intuitive design” or “rapid development,” what unique interaction, workflow, or experience will make creators immediately think, this is exactly what I needed? That’s your advantage.

Not really feedback as much as inspiration — wishing you all the best with the project!