How to upgrade walls and gates? To upgrade the Walls and Gates you have to: Enable the Edit mode by clicking on the Edit button: Click on a Wall or Gate and select the Upgrade option: Related articles How many towers can I build? Find your missing items Good news! I made a payment in the game, but did not receive my purchase. What should I do? My reward packs for the League events have expired Comments 0 comments Article is closed for comments.