I was really impressed by the main menu cinematic. The restrained use of color makes the bits you want the player to notice really pop. I will say that navigating the world felt difficult as the main bit feels like 75% hallways that aren't differentiated. I feel like that is probably intended, especially later with the hedge-maze section, but it can be a bit frustrating for those who can't navigate 3D spaces well.
I actually managed to get very lucky the first time I played and didn't run into the monster at all until after having done the entire hedge-maze, cutting off the chains, and flipping the switch. It wasn't til I went to get the purple key that they made their first appearance, haha. Not saying there is anything wrong with that, just mentioning that it happened. Managed to get out the next day.
I did go back and wander around some more as well so I could see what happened when I failed the 5 days. Overall it was great!