Dead Trigger 2: How to win without spending any money

Wp – "Even five years ago it was inconceivable that something with console-quality graphics would be completely free to play, but games such as Dead Trigger 2 make that the new reality in gaming, at least as far as iOS and Android games go. This is a free download, but there are plenty of in app purchases that can help you to get a little farther, but in the long run, they really are unnecessary."