Faster Way to Upgrade Walls
I was upgrading my walls when I got this idea. So I was upgrading my walls and it was taking for ever to upgrade every wall by itself. Here's my idea, instead of having to upgrade a wall by itself you can click the wall you want click select row and then there would be an option to "Upgrade full row" and it would upgrade the whole row. With my idea it would be faster to upgrade walls. Also when you click Select full row a over the "Upgrade full row" button it would say the cost for the full row.