The level design in this game is so good. I love how most of the important areas are in the starting house; from the start of the game, you can see everywhere you need to go, but you just don't know how to get there yet. It was always really fun finding a way into a room that's been blocked off since the start of the game.
I like the single inventory slot, but I think it leads to some moments of backtracking that don't feel as engaging as other parts of the game. I think backtracking is an essential element of this style of adventure game, and it generally works really well in this game, but I think there should be something to increase tension when revisiting areas of the map. Maybe zombies can increase in speed/damage/health whenever they get back up - which could make revisiting previous areas more exciting?
Also, the flashlight is really cool and spooky. The art style is also incredible - especially the zombie animations. I had a lot of fun with this game!