Very good game! What I liked the most was the way events introduced new mechanics one by one, which was a great idea. The gameplay is cool (I love the glass idea), and the visuals and sounds are well done. I had a lot of fun playing.
I didn't fully understand how the zombies work (maybe they just slow down the player) and I was hoping for a bit more difficulty after the first few minutes. However, that’s just a small detail!