Play games
Choose the game that interests you and play itfor free.
Complete the quests
Every game has some quests for which you will receive Soul Gems.
Receive rewards
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
I want to add this because it would help a lot of people who have spare money in their apple pay like me. I don’t know much about apples paying system but I know that they receive some of the money but from what I’m seeing I don’t think you guys lose much or at least I think so. Thanks!