Things that have been added:

Shadows:
Shadows have been added to the game, which helps add that extra eerie vibe that was needed when hunted by zombies.

Player upgrades:
A new part of the shop has been added where you can go to upgrade the player. Some of the things that you can upgrade are things like: 
Damage - Makes you do more damage.
Stamina - Gives you more stamina.
Health - Take less damage when in combat with enemies.
Coins - Rewards more coins when in combat.
Light - Widens the light that the player has so you can see further.

Menu:
The menu's font has changed, before the font didn't match the font in-game so I changed it. Now the font is the same throughout the entire game (including the menu).

Controls:
P - Close Game
E - Open Shop
F - Melee Attack
Hold R - Reload gun