


This will delay them from tipping you over and will damage them somewhat, allowing fewer bullets to be expended. Also use it on fat zombies that can cause you to crash. Save your ammunition for use on the red zombies. Each of them has three possible upgrades which increase various stats, from damage to clip size and ammo. Immediately after unlocking the SASG-30 or M4, begin upgrading your weapons. Save the Rewind option for situations that will be very beneficial by going three seconds back. A car moving at nitro-speed car is harder to take down. Nitro can help take off dangerous zombies by scraping them against cars and help you get through dangerous sections when zombies jump on. Use nitro as a last resort, as in situations when you have two zombies on one side and danger arrows above their heads indicating that you are about to be tilted over. However, the Biological Piston can be used as needed, because of its ability to drain an enemy's health and make regeneration harder. Expend ammunition from your weaker weapons first, especially when dealing with enemies that are nuisances. Delay using guns and nitro for as long as possible. When selecting upgrades, choose ones that will increase your ammunition or use less of it over time. Always use strategies that involve not using ammunition. Ammunition and nitro are in limited supply.
