Tips and Tricks
Always check the recon option before attacking other players. This will let you scan what they have that you can steal.
Consider their resources and their defense strainght before you attack.
Battles are primarily base through numbers so if you have lots of units deployed in battle, there is a higher chance to draw victory upon it. However test your strategy and check the enemy before the start by sending small amount of troops.
Building and upgrading your hospitals will give a higher chance of saving your fallen troops it is better to heal them through hospitalization than to train new ones.
Upon clearing an infected city it will turn into a deserted city without any defense or other units. Use this to your advantage. Deserted city have all the five resource types that you can farm.
Find abandoned village from players who quit and deleted the app on their gadgets. You will see this village as continue in producing resources but still there is no updates regarding with their defenses and units.
If you visit the official in-app purchase store you can get free gold in exchage for liking the game on Facebook as well as watching advertisement videos. Good thing is that videos automatically refresh every hour and you can take advantage by repeatedly watching these videos again and again for free gold.