I've seen the game get multiple updates, but I'm still unable to progress past the ruins.
I think I've explored all of what I can access, but clearly not.
Is there some hidden room that I just don't see the indication for the blastable wall?

I'm sorry for the confusion, but the demo available here on itch.io is specifically a free, public demo with limited content, and will not be updated with more content in the future. Crisis Point: Extinction is a paid product and I believe the demo length is more than sufficient to decide if you want to buy the full game and support us; if you've defeated the tar boss at the top of the Summit, you've seen more or less everything in this demo.

All the updates I post about are only available for our $10+ supporters on Patreon, while the game is in development; once it's complete, I'll definitely be selling it on itch.io, but until then the only way to get the most updated versions of the game is through our Patreon. I hope that clears things up for you!

Ah, I see.

I kept seeing update posts, and thought the demo was being updated too.

However, now I know I've still not completed the demo… How do I initiate the tar boss?

And can itch save data be carried over to Patreon version?