Really nice take on the theme! Ive seen a similar idea with another game, where you're a zombie/ghost for a specific amount of time after you die. The pixel art is also very good! I like the highlights from the sun behind the cat. Although, the game was pretty confusing at first, but I was able to get used to it after a while. Also, the guide/tutorial thats seen in the main menu has way too much text in it. I would recommend making it more interactive so it wouldnt be as boring, and the player would memorize it more :p