Is it tough to survive when zombies come in front of you to kill? Will it be problematic even if you have fully loaded guns. Let's see what happens here. My experience says, they are huge in numbers thus you may be killed easily. It is a cross platform unity 3d game and became very popular now a days. Play the game free, rate it and share it to your friends using Facebook, Twitter, StumbleUpon or other Social Network. Enjoy playing Critical Strike Portable game!