Addicted game, try challenge yourself and play the game continue and keep dying till you are heart broken. But eventually you will be able to play at higher difficulties till you finish campaign all at 900% and then beat survival mode 900%. Then you can called yourself a veteran.

Addicted game, try challenge yourself and play the game continue and keep dying till you are heart broken. But eventually you will be able to play at higher difficulties till you finish campaign all at 900% and then beat survival mode 900%. Then you can called yourself a veteran.