This is the first episode of The Descendant, activating this will also give you 3 Free Steam Card Drops (cards are virtual items that you can use to level up on steam)
- Go to the store page of The Descendant on Steam
- https://store.steampowered.com/app/351940/The_Descendant/
- Click Add to Account
- The game will be added to your account, and you can begin playing it to get the cards
