Your current resources are displayed. You can click any of the icons, and then it will tell you what you get and what you have to give to get it. Click yes if you want to continue, and no if you don't. Once in a while, an army displayed as an arrow will automatically go to your base from the bottom. If it hits your castle, your defence level will go down. You can upgrade your defence by clicking the arrow in the middle of your castle. If your defence level goes to 0, you lose. If you do not have enough of something, the yes button might not work, so you will have to press no.
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