Zombies, Run! (Free)

Get ready for the run of your life. Join 5 million runners on an epic adventure! You tie your shoes, put on your headphones, take your first steps outside. You've barely covered 100 yards when you hear them. They must be close. You can hear every guttural breath, every rattling groan - they're everywhere. Zombies. There's only one thing you can do: Run! Zombies, Run!