How do I rotate the camera angle in a game?

If you deselect the Real-Time Strategy Camera option in the **Camera Settings** you will be able to rotate the camera up and down while in battle mode.

To do this action while using the "Total War Style" keyboard setup, press the Command Key (⌘) + Up Arrow or the Command Key (⌘) + Down Arrow. In the "FPS Style" setup, press the R or the F key.