I've actually been getting close to the end of my first draft - I'm aiming to go over it again and smooth out all of the rough edges soon enough. I've also got super secret plans for the demo, but TBC!
Here's a clip from near the end of the game where you solve a puzzle as part of your progression to the final area!
Game page: https://eddyparanoia.itch.io/inquisitive-dave
Wishlist on Steam: https://store.steampowered.com/app/1689370/Inquisitive_Dave/