Twitch Prime Members: Zombie Night Terror (PC Digital Download) Free March 16th-20th

Twitch.TV has the new game for Amazon Prime members.
View the game here .
You will need the twitch launcher installed to access all of your games.
The game will be free from March 16th-20th.
You need to claim the offer.
Install the Twitch Launcher.
Then download the game from the launcher client.