If Max faces left, swipe to the left. If Max faces right, swipe to the right. Keep it mind especially when you face multiple zombie attacks from different directions.
You can replay old missions so you can earn more coins
Upgrading your favorite weapons is the key to maximum stopping power.
Don't leave crates behind. Kick them down and collect the valuable items contained within health, grenades or ammo.
When it comes down to your score, the knife is definitely better than the gun.
To cover the maximum distance during a double jump, time the second jump as late as you can.
Health packs are used automatically when your health is low, but you can also tap on the icon to use them immediately.
Perform a double jump swipe to kill enemies with a single slash.