-CO2
-The barrel length affects your guns accuracy
-Basic white wood tiles
-Walking animation for enemies
-8,10,12in barrel length's
-Co2 is released when the gun is fired

Update 2:
-Better background - THE LAST 3 IMAGE'S YOU SEE is x256 - Changed to x512 for even better quality
-Fixed long barrel upgrade image not displaying correct sprite
-Better Zombies
-Stamina system
-Zombie Textures
-Accuracy
-Better Map