adding customizable options to add to overall game play

- bullet colors: Your bullets will now have customizable colors.

-bullet effects: Bullets will now play element based animations when hitting enemies

-gun sounds: Sound effects to change up your game play with. 

New building interiors.

In game shop, earn coins from killing zombies, and at random coin caches on the map. This game does not support micro transactions, all in game customizable options can only be purchased through playing the game.