You're game is a lot of fun.
I liked to play through it.
I really like the artstyle audio of your game. It gives me a retro feeling.
The topic is well integrated. The idea of getting new abilities by dying is great.
The only thing That's not 100% great is that there are some small bugs. (The enymies got stuck in the roof once.)
But the small bugs aren't game changing and don't make the game worse.