Wasn't sure what to do, spent a bunch of time trying to find the puzzles inside town until I adventured out and saw things were actually outside town.

As for night time, I would suggest you add a light to the player so you can see yourself.

I really enjoyed this and once I figured out the day/night aspect to the puzzles it got more fun. I think better feedback when you lack the damage upgrade from completing the day puzzles would have been good. I found myself trying to figure out why I wasn't killing the enemies for a while thinking maybe I was missing or experiencing a bug. Over all good game. 

Definitely a really interesting game. One thing to note is that if you stay outside at night too long your game will lag hard because there is no spawn limit. One other thing is that I felt like I had little to no guidance on what I was supposed to be doing throughout the game and the time limit was a bit tedious as I was trying to figure it out having to keep going back to the village to meditate. Although, I did really enjoy the theme of the game and the idea of it is really cool. The combat and controls were also very responsive.