For a F2P game, there's a surprisingly large amount of depth and customization with it. You don't often feel like you're stuck at one level for very long and you're almost always gaining power from something by just having it run in the background.

For a F2P game, there's a surprisingly large amount of depth and customization with it. You don't often feel like you're stuck at one level for very long and you're almost always gaining power from something by just having it run in the background.