Obscura 2 (iOS App) for Free

Steps:

1. Download the Apple Store App
2. Tap the Discover tab on the bottom of the app
3. Scroll all the way down to the bottom of this page to see the Featured App Obscura 2
4. Tap where it says "Download now for free"
5. You will see your redeem code already entered on that page, just tap "Redeem" in upper right corner to download the app for free