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 have a lot of people that I referred, and it shows me that I have almost 20000 SG from referrals but my account has only 34 SG, is there a bug, or should I do something about to claim my referral SG?